{"id":45778,"date":"2024-04-17T08:00:40","date_gmt":"2024-04-17T08:00:40","guid":{"rendered":"https:\/\/new-blog.artlist.io\/blog\/fresnel-lights\/"},"modified":"2025-06-18T12:11:08","modified_gmt":"2025-06-18T12:11:08","slug":"luz-fresnel","status":"publish","type":"post","link":"https:\/\/new-blog.artlist.io\/blog\/pt\/luz-fresnel\/","title":{"rendered":"O que \u00e9 uma luz Fresnel e como usar uma em seus v\u00eddeos"},"content":{"rendered":"\n<p>Pergunta do quiz para voc\u00ea: O que far\u00f3is, teatros e sets de filmagem t\u00eam em comum? J\u00e1 entendeu? \u00c9 a luz de Fresnel \u2013 tamb\u00e9m conhecida como lanterna de Fresnel ou l\u00e2mpada de Fresnel. Embora tenha sido desenvolvida inicialmente na d\u00e9cada de 1820 pelo engenheiro franc\u00eas Augustin Jean Fresnel para aprimorar far\u00f3is, a luz de Fresnel se tornou um item essencial nas ind\u00fastrias cinematogr\u00e1fica e teatral. Ela produz uma luz altamente vers\u00e1til que pode ser usada como spot ou holofote, como parte de uma configura\u00e7\u00e3o de\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/everything-you-need-to-know-about-the-3-point-lighting-setup\/\&quot;" target=\"_blank\" rel=\"noopener\">ilumina\u00e7\u00e3o de 3 pontos<\/a>\u00a0e ilumina\u00e7\u00e3o de alta e baixa intensidade.<\/p>\n\n\n\n<p><em>Um guia r\u00e1pido de pron\u00fancia: Fresnel ainda carrega a pron\u00fancia francesa de seu inventor. Isso significa que \u00e9 &#8220;frey-NEL&#8221; com \u00eanfase na segunda s\u00edlaba, em vez de &#8220;frezz-nul&#8221;.<\/em><\/p>\n\n\n\n<div class=\"wp-block-uagb-info-box uagb-block-be7e5098 uagb-infobox__content-wrap  uagb-infobox-icon-above-title uagb-infobox-image-valign-top\"><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-title-wrap\"><h2 class=\"uagb-ifb-title\">O que \u00e9 uma luz Fresnel?<\/h2><\/div><p class=\"uagb-ifb-desc\">Uma luz Fresnel consiste em uma l\u00e2mpada posicionada entre uma lente Fresnel e um refletor, alojada em uma caixa. A luz da l\u00e2mpada \u00e9 enviada em dire\u00e7\u00e3o \u00e0 lente pelo refletor, formando um feixe control\u00e1vel.<\/p><\/div><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src="\&quot;https:\/\/artlist.io\/blog\/wp-content\/uploads\/2021\/10\/31cfa13e8b4a83134e7627e72c4eeac7238ca9d2.jpg\&quot;" alt=\"fresnel light\"\ /><\/figure>\n\n\n\n<p>A luz de Fresnel \u00e9 composta por camadas de an\u00e9is conc\u00eantricos, cada um menor que o anterior, em vez de uma lente esf\u00e9rica comum. Cada anel curva a luz um pouco mais do que o anterior, convergindo-a continuamente em um feixe. Esses an\u00e9is conc\u00eantricos foram o que Fresnel desenvolveu para aprimorar as lanternas de far\u00f3is. O tamanho de uma lente comum teria sido impratic\u00e1vel para produzir um feixe com a largura e a intensidade necess\u00e1rias para ser eficaz em um farol. Ainda assim, as propriedades de curvatura dos an\u00e9is conc\u00eantricos mudaram isso.<\/p>\n\n\n\n<p>A l\u00e2mpada, que pode variar em pot\u00eancia, e o refletor, ficam em um trilho e podem ser movidos para mais perto ou mais longe da lente de Fresnel para ampliar ou estreitar o feixe de luz. Al\u00e9m disso, voc\u00ea pode anexar\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/the-ultimate-guide-to-light-modifiers\/\&quot;">modificadores de luz<\/a>\u00a0na parte frontal da caixa (por exemplo, portas de celeiro, ou \u201cbarn doors\u201d) para ajudar a controlar o feixe.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como usar uma luz Fresnel?<\/h2>\n\n\n\n<p>As luzes Fresnel s\u00e3o muito simples de usar, o que as torna uma excelente escolha para qualquer cen\u00e1rio, bem como para\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/tips-for-getting-better-lighting-for-your-youtube-videos\/\&quot;" target=\"_blank\" rel=\"noopener\">ilumina\u00e7\u00e3o de v\u00eddeos do YouTube<\/a>.<\/p>\n\n\n\n<p>Se voc\u00ea aproximar a l\u00e2mpada da lente de Fresnel, obter\u00e1 uma incid\u00eancia de luz mais ampla, capaz de inundar a cena. Afaste a l\u00e2mpada e o refletor da lente e o feixe de luz se estreitar\u00e1, criando um holofote. \u00c9 isso que torna uma l\u00e2mpada de Fresnel t\u00e3o conveniente: voc\u00ea pode alterar o \u00e2ngulo do feixe de luz sem precisar mover a pr\u00f3pria l\u00e2mpada.<\/p>\n\n\n\n<p>\u00c9 f\u00e1cil anexar modificadores \u00e0 parte frontal de uma l\u00e2mpada Fresnel. J\u00e1 referimos aqui as \u201cportas de celeiro\u201d para moldar a luz, ou telas para ajudar a reduzir a intensidade da luz, g\u00e9is para corre\u00e7\u00e3o de cor e an\u00e9is de velocidade para adicionar uma softbox.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tipos de luzes Fresnel<\/h2>\n\n\n\n<p>As luzes de Fresnel podem ser identificadas por suas l\u00e2mpadas, que tendem a ser constru\u00eddas com lentes de tr\u00eas, seis ou oito polegadas de di\u00e2metro. Essas luzes v\u00eam em diferentes pot\u00eancias e intensidades. Elas tamb\u00e9m t\u00eam nomes incomuns, dados por Mole Richardson:<\/p>\n\n\n\n<ul>\n<li>A luz Fresnel de 100 watts \u00e9 chamada de \u201cinky\u201d<\/li>\n\n\n\n<li>Fresnel de 200 watts \u00e9 um \u201cmidget\u201d<\/li>\n\n\n\n<li>Fresnel de 650 watts \u00e9 um \u201ctweenie\u201d<\/li>\n\n\n\n<li>Fresnel de 1.000 watts \u00e9 um \u201cbaby\u201d<\/li>\n\n\n\n<li>Fresnel de 2.000 watts \u00e9 um \u201cjunior\u201d<\/li>\n\n\n\n<li>Fresnel de 5.000 watts \u00e9 um \u201csenior\u201d<\/li>\n<\/ul>\n\n\n\n<p>Nunca, mas nunca, toque no vidro da l\u00e2mpada de Fresnel! Se fizer isso quando estiver quente, voc\u00ea se queimar\u00e1. E se tocar quando estiver frio, sua pele pode deixar uma marca de \u00f3leo; ent\u00e3o, quando a luz esquentar, o \u00f3leo pode causar a explos\u00e3o do vidro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Para que se pode usar luzes Fresnel?<\/h2>\n\n\n\n<p>Grande parte do apelo da luz Fresnel reside na sua versatilidade. Voc\u00ea pode us\u00e1-la como parte de uma configura\u00e7\u00e3o de\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/lighting-youtube-videos-a-beginners-guide\/\&quot;" target=\"_blank\" rel=\"noopener\">ilumina\u00e7\u00e3o do YouTube<\/a>\u00a0para produzir uma luz suave e uniforme, ou estreitar o feixe para produzir uma\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/hard-light-vs-soft-light\/\&quot;">luz forte<\/a> para algo dram\u00e1tico.<\/p>\n\n\n\n<p>Existem algumas maneiras principais de usar sua luz Fresnel:<\/p>\n\n\n\n<ul>\n<li>Ilumina\u00e7\u00e3o pontual (holofote)<\/li>\n\n\n\n<li>Configura\u00e7\u00e3o de ilumina\u00e7\u00e3o de 3 pontos<\/li>\n\n\n\n<li>lumina\u00e7\u00e3o alta e baixa<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ilumina\u00e7\u00e3o pontual (ou de inunda\u00e7\u00e3o)<\/h3>\n\n\n\n<p>O feixe de luz no in\u00edcio deste v\u00eddeo \u00e9 de uma luz Fresnel, que atua como um holofote, destacando o assunto e a \u00e1rea do quadro em que queremos que o p\u00fablico se concentre.<\/p>\n\n\n\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/kghy56EsTqM?feature=oembed\" width=\"683\" height=\"384\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/p>\n\n\n\n<p>As luzes de Fresnel s\u00e3o usadas como holofotes em muitas produ\u00e7\u00f5es teatrais e musicais ao redor do mundo.<\/p>\n\n\n\n<p>Aqui, uma luz Fresnel foi usada para dar defini\u00e7\u00e3o ao assunto:<\/p>\n\n\n\n    <div class=\"clipsContainer\" id=\"69d07aa9036b3\"><\/div>\n\n    <script>\n        jQuery(document).ready(function($) {\n\n            if(\"footage\" == 'footage') {\n                if(\"710701\" == '') { \/\/ if this is a request for multiple clips by attributes\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        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clip.artistName;\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media downloaded\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n                        $videoElement.closest('.clipContainer').find('.clipDownload').on('click', function() {\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media downloaded\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n\n                        \/\/ check screen size\n                        var mobileScreen = window.matchMedia('(max-width: 767px)');\n                        if (mobileScreen.matches) { \/\/ mobile\n                            const observer = new IntersectionObserver(function(entries) {\n                                entries.forEach(entry => {\n                                    if (entry.isIntersecting) {\n                                        player.play(); \/\/ Play the video when it enters the viewport\n                                    } else {\n                                        player.pause(); \/\/ Pause the video when it goes out of the viewport\n                                    }\n                                });\n                            });\n                            observer.observe(videoElement);\n                        } else { \/\/ desktop\n                            clipContainer.on('mouseenter', function() {\n                                player.play();\n                            });\n\n                            clipContainer.on('mouseleave', function() {\n                                player.pause();\n                            });\n                        }\n\n                    }\n                    if(\"710701\" !== '') { \/\/ if this is a request for a specific clip by id - then break out of loop after first time bc it's not an array\n                        return false;\n                    }\n                });\n            }\n\n        });\n    <\/script>\n\n    \n\n\n\n    <div class=\"clipsContainer\" id=\"69d07aa903824\"><\/div>\n\n    <script>\n        jQuery(document).ready(function($) {\n\n            if(\"footage\" == 'footage') {\n                if(\"328174\" == '') { \/\/ if this is a request for multiple clips by attributes\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query ClipList($page: Int, $sortType: Int, $categoryIds: String, $searchTerm: String) {\n\t\t\t\t\t\t\t\tclipList(page: $page, sortType: $sortType, categoryIds: $categoryIds, searchTerm: $searchTerm) {\n\t\t\t\t\t\t\t\t  exactResults  {\n\t\t\t\t\t\t\t\t\tclipPath\n\t\t\t\t\t\t\t\t\tclipNameForUrl\n\t\t\t\t\t\t\t\t\tid\n\t\t\t\t\t\t\t\t\tisNew\n\t\t\t\t\t\t\t\t\tfilmMakerDisplayName\n\t\t\t\t\t\t\t\t\timageUrl\n\t\t\t\t\t\t\t\t\tthumbnailUrl\n\t\t\t\t\t\t\t\t\twidth\n\t\t\t\t\t\t\t\t\tvideoUrl\n\t\t\t\t\t\t\t\t\trawFileExt\n\t\t\t\t\t\t\t\t  }\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n\t\t\t\t\t\t\t\t\"page\": 1,\n\t\t\t\t\t\t\t\t\"sortType\": 1,\n\t\t\t\t\t\t\t\t\"categoryIds\": null,\n\t\t\t\t\t\t\t\t\"searchTerm\": \"\"\n\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('footage list: ', res);\n                            var data = res.data.clipList.exactResults;\n                            if ($(\"#69d07aa903824\").length && data.length > 0) {\n                                createClipsGrid(data, \"69d07aa903824\");\n                            } else if ($(\"#69d07aa903824\").length && data.length == 0) {\n                                $(\"#69d07aa903824\").empty().append('<div class=\"noClipsError\">No clips were found.<\/div>');\n                            }\n                        }\n                    });\n                } else if(\"328174\" !== '') { \/\/ if this is a request for a specific clip by id\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query Clip($clipId: Int!) {\n\t\t\t\t\t\t\t\tclip(id: $clipId) {\n\t\t\t\t\t\t\t\t\tclipPath\n\t\t\t\t\t\t\t\t\tclipNameForUrl\n\t\t\t\t\t\t\t\t\tid\n\t\t\t\t\t\t\t\t\tisNew\n\t\t\t\t\t\t\t\t\tfilmMakerDisplayName\n\t\t\t\t\t\t\t\t\timageUrl\n\t\t\t\t\t\t\t\t\tthumbnailUrl\n\t\t\t\t\t\t\t\t\twidth\n\t\t\t\t\t\t\t\t\tvideoUrl\n\t\t\t\t\t\t\t\t\trawFileExt\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n\t\t\t\t\t\t\t\t\"clipId\": 328174\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('specific footage: ', res);\n                            var data = res.data.clip;\n                            if ($(\"#69d07aa903824\").length && data !== '') {\n                                createClipsGrid(data, \"69d07aa903824\");\n                            } else if ($(\"#69d07aa903824\").length && data.length == '') {\n                                $(\"#69d07aa903824\").empty().append('<div class=\"noClipsError\">No clips were found.<\/div>');\n                            }\n                        }\n                    });\n                }\n            } else if(\"footage\" == 'templates') {\n                if(\"328174\" === '') {\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query TemplatesList($payload: TemplatesByTermSearchPayload!) {\n                                templatesList(payload: $payload) {\n                                    nameForUrl\n                                    id\n                                    name\n                                    isNew\n                                    artistName\n                                    thumbnailUrl\n                                    previewVideoFileUrl\n                                }\n                            }`,\n                            variables: `{\n                                \"payload\": {\n                                    \"page\": 1,\n                                    \"take\": 1,\n                                    \"sortBy\": \"1\",\n                                    \"categories\": null,\n                                    \"searchTerms\": \"\"\n                                }\n                            }`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('templates list: ', res);\n                            var data = res.data.templatesList;\n                            if ($(\"#69d07aa903824\").length && data.length > 0) {\n                                createClipsGrid(data, \"69d07aa903824\");\n                            } else if ($(\"#69d07aa903824\").length && data.length == 0) {\n                                $(\"#69d07aa903824\").empty().append('<div class=\"noClipsError\">No clips were found.<\/div>');\n                            }\n                        }\n                    });\n                    } else if(\"328174\" !== '') {\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query Template($ids: [String!]!, $page: Int!, $take: Int!) {\n\t\t\t\t\t\t\t\ttemplatesByIds(ids: $ids, page: $page, take: $take) {\n\t\t\t\t\t\t\t\t\tnameForUrl\n                                    id\n                                    name\n                                    isNew\n                                    artistName\n                                    thumbnailUrl\n                                    previewVideoFileUrl\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n                                \"ids\": [\"328174\"],\n                                \"page\": 1,\n                                \"take\": 1\n\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('specific template: ', res);\n                            var data = res.data.templatesByIds[0];\n                            if ($(\"#69d07aa903824\").length && data !== '') {\n                                createClipsGrid(data, \"69d07aa903824\");\n                            } else if ($(\"#69d07aa903824\").length && data.length == '') {\n                                $(\"#69d07aa903824\").empty().append('<div class=\"noClipsError\">No clips were found.<\/div>');\n                            }\n                        }\n                    });\n                }\n            }\n\n            function createClipsGrid(data, clipsContainerId){\n                const container = $(\"#\" + clipsContainerId);\n                let playerSrc = '';\n\n                $.each(data, function(index, clip) {\n                    if(\"328174\" !== '') { \/\/ if this is a request for a specific clip by id - then the data is not an array of clips but only one clip and that's why the \"clip\" variable is actually the \"data\"\n                        index = 0\n                        clip = data;\n                    }\n                    if ((index) < 1) {\n                        \/\/ clip container\n                        const clipContainer = $(\"<div>\").addClass(\"clipContainer single_clip\");\n                        \/\/ new badge\n                        if (clip.isNew) {\n                            clipContainer.append('<span class=\"isNewBadge\">NEW<\/span>');\n                        }\n                        \/\/ video\n                        let videoElement = document.createElement('video');\n                        videoElement.setAttribute('playsinline', '');\n                        videoElement.setAttribute('webkit-playsinline', '');\n                        videoElement.setAttribute('x5-playsinline', '');\n                        videoElement.setAttribute('preload', 'auto');\n                        \n                        clipContainer.append(videoElement);\n                        \/\/ clip name and artist name\n                        let clipName = '';\n                        let artistName = '';\n                        if(\"footage\" == 'footage') {\n                            clipName = clip.clipNameForUrl;\n                            clipName = clipName.replace(\/-\/g, \", \");\n                            clipName = $(\"<a>\").addClass(\"clipName\").attr(\"href\", \"https:\/\/artlist.io\/stock-footage\/clip\/\" + clip.clipNameForUrl + \"\/\" + clip.id + \"?download=1&utm_source=blog\").attr(\"target\", \"_blank\").text(clipName);\n                            artistName = $(\"<div>\").addClass(\"artistName\").text('By ' + clip.filmMakerDisplayName + '');\n                        } else if(\"footage\" == 'templates') {\n                            clipName = $(\"<a>\").addClass(\"clipName\").attr(\"href\", \"https:\/\/artlist.io\/video-templates\/\" + clip.nameForUrl + \"\/\" + clip.id + \"?download=1&utm_source=blog\").attr(\"target\", \"_blank\").text(clip.name);\n                            artistName = $(\"<div>\").addClass(\"artistName\").text('By ' + clip.artistName + '');\n                        }\n                        const clipNames = $(\"<span>\").addClass(\"clipNames\").append(clipName, artistName);\n                        \/\/ download button\n                        let clipDownload = '';\n                        if(\"footage\" == 'footage') {\n                            clipDownload = $(\"<a>\").addClass(\"clipDownload\").attr(\"href\", \"https:\/\/artlist.io\/stock-footage\/clip\/\" + clip.clipNameForUrl + \"\/\" + clip.id + \"?download=1&utm_source=blog\").attr(\"target\", \"_blank\").html('<i class=\"icon download white\"><\/i>');\n                        } else if(\"footage\" == 'templates') {\n                            clipDownload = $(\"<a>\").addClass(\"clipDownload\").attr(\"href\", \"https:\/\/artlist.io\/video-templates\/\" + clip.nameForUrl + \"\/\" + clip.id + \"?download=1&utm_source=blog\").attr(\"target\", \"_blank\").html('<i class=\"icon download white\"><\/i>');\n                        }\n                        \/\/ overlay\n                        const overlay = $(\"<div>\").addClass(\"overlay\");\n                        overlay.append(clipNames, clipDownload);\n\n                        \/\/ APPEND ALL ELEMENTS INTO AUDIO PLAYER CONTAINER\n                        clipContainer.append(videoElement, overlay);\n\n                        \/\/ if this is a preview of only one specific clip (by id)\n                        if(\"328174\" !== '') {\n                            $(container).addClass(\"clipContainerSingular\")\n                        }\n\n                        \/\/ append audio player container into main playlist container\n                        container.append(clipContainer[0]);\n\n                        if(\"footage\" == 'footage') {\n                            playerSrc =  clip.clipPath;\n                        } else if(\"footage\" == 'templates') {\n                            playerSrc =  clip.previewVideoFileUrl;\n                        }\n                        const player = videojs(videoElement, {\n                            muted: true,\n                            autoplay: true,\n                        });\n\n                        player.src({\n                            src: playerSrc,\n                            type: 'application\/x-mpegURL'\n                        });\n\n                        \/* SEGMENT EVENTS *\/\n                        const special_data = getProps();\n\n                        \/* media played *\/\n                        var $videoElement = $(videoElement);\n                        $videoElement.on('play', function() {\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media played\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n\n                        \/* media paused *\/\n                        var $videoElement = $(videoElement);\n                        $videoElement.on('pause', function() {\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media paused\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n\n                        \/* media viewed *\/\n                        const observer = new IntersectionObserver(entries => {\n                            entries.forEach(entry => {\n                                if (entry.isIntersecting) {\n                                    var assetId = clip.id;\n                                    var artist = clip.filmMakerDisplayName || clip.artistName;\n                                    var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                                    var asset_type = null;\n                                    if(\"footage\" == 'footage') {\n                                        asset_type = 'footage';\n                                    } else if(\"footage\" == 'templates') {\n                                        asset_type = 'template';\n                                    }\n                                    analytics.track(\"media viewed\", {\n                                        asset_id: assetId || null,\n                                        asset_type: asset_type || null,\n                                        click_source: 'player',\n                                        artist: artist || null,\n                                        title: title || null,\n                                        genre: null,\n                                        ...special_data,\n                                    });\n                                    observer.unobserve(entry.target);\n                                }\n                            });\n                        }, {\n                            threshold: 0.5\n                        });\n                        observer.observe($videoElement[0]);\n\n                        \/* media downloaded *\/\n                        $videoElement.closest('.clipContainer').find('.clipName').on('click', function() {\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media downloaded\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n                        $videoElement.closest('.clipContainer').find('.clipDownload').on('click', function() {\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media downloaded\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n\n                        \/\/ check screen size\n                        var mobileScreen = window.matchMedia('(max-width: 767px)');\n                        if (mobileScreen.matches) { \/\/ mobile\n                            const observer = new IntersectionObserver(function(entries) {\n                                entries.forEach(entry => {\n                                    if (entry.isIntersecting) {\n                                        player.play(); \/\/ Play the video when it enters the viewport\n                                    } else {\n                                        player.pause(); \/\/ Pause the video when it goes out of the viewport\n                                    }\n                                });\n                            });\n                            observer.observe(videoElement);\n                        } else { \/\/ desktop\n                            clipContainer.on('mouseenter', function() {\n                                player.play();\n                            });\n\n                            clipContainer.on('mouseleave', function() {\n                                player.pause();\n                            });\n                        }\n\n                    }\n                    if(\"328174\" !== '') { \/\/ if this is a request for a specific clip by id - then break out of loop after first time bc it's not an array\n                        return false;\n                    }\n                });\n            }\n\n        });\n    <\/script>\n\n    \n\n\n\n<h3 class=\"wp-block-heading\">Configura\u00e7\u00e3o de ilumina\u00e7\u00e3o de 3 pontos<\/h3>\n\n\n\n<p>Voc\u00ea tamb\u00e9m pode usar uma luz Fresnel para qualquer luz que fa\u00e7a parte de uma configura\u00e7\u00e3o de ilumina\u00e7\u00e3o de 3 pontos. Ela pode atuar como luz principal, <a href=\"https:\/\/artlist.io\/blog\/backlighting\/\">luz de preenchimento<\/a>, luz de fundo ou como uma forma de iluminar o fundo do seu quadro.<\/p>\n\n\n\n<p>Aqui, uma luz Fresnel foi usada para dar defini\u00e7\u00e3o ao assunto:<\/p>\n\n\n\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/9pFhdyt7qvI?start=68&amp;feature=oembed\" width=\"683\" height=\"384\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe>\u00a0<\/p>\n\n\n\n<p>Esta filmagem mostra como uma luz Fresnel pode ser utilizada como uma luz principal:\u00a0\u00a0<\/p>\n\n\n\n    <div class=\"clipsContainer\" id=\"69d07aa9038d1\"><\/div>\n\n    <script>\n        jQuery(document).ready(function($) {\n\n            if(\"footage\" == 'footage') {\n                if(\"374423\" == '') { \/\/ if this is a request for multiple clips by attributes\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query ClipList($page: Int, $sortType: Int, $categoryIds: String, $searchTerm: String) {\n\t\t\t\t\t\t\t\tclipList(page: $page, sortType: $sortType, categoryIds: $categoryIds, searchTerm: $searchTerm) {\n\t\t\t\t\t\t\t\t  exactResults  {\n\t\t\t\t\t\t\t\t\tclipPath\n\t\t\t\t\t\t\t\t\tclipNameForUrl\n\t\t\t\t\t\t\t\t\tid\n\t\t\t\t\t\t\t\t\tisNew\n\t\t\t\t\t\t\t\t\tfilmMakerDisplayName\n\t\t\t\t\t\t\t\t\timageUrl\n\t\t\t\t\t\t\t\t\tthumbnailUrl\n\t\t\t\t\t\t\t\t\twidth\n\t\t\t\t\t\t\t\t\tvideoUrl\n\t\t\t\t\t\t\t\t\trawFileExt\n\t\t\t\t\t\t\t\t  }\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n\t\t\t\t\t\t\t\t\"page\": 1,\n\t\t\t\t\t\t\t\t\"sortType\": 1,\n\t\t\t\t\t\t\t\t\"categoryIds\": null,\n\t\t\t\t\t\t\t\t\"searchTerm\": \"\"\n\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('footage list: ', res);\n                            var data = res.data.clipList.exactResults;\n                            if ($(\"#69d07aa9038d1\").length && data.length > 0) {\n                                createClipsGrid(data, \"69d07aa9038d1\");\n                            } else if ($(\"#69d07aa9038d1\").length && data.length == 0) {\n                                $(\"#69d07aa9038d1\").empty().append('<div class=\"noClipsError\">No clips were found.<\/div>');\n                            }\n                        }\n                    });\n                } else if(\"374423\" !== '') { \/\/ if this is a request for a specific clip by id\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query Clip($clipId: Int!) {\n\t\t\t\t\t\t\t\tclip(id: $clipId) {\n\t\t\t\t\t\t\t\t\tclipPath\n\t\t\t\t\t\t\t\t\tclipNameForUrl\n\t\t\t\t\t\t\t\t\tid\n\t\t\t\t\t\t\t\t\tisNew\n\t\t\t\t\t\t\t\t\tfilmMakerDisplayName\n\t\t\t\t\t\t\t\t\timageUrl\n\t\t\t\t\t\t\t\t\tthumbnailUrl\n\t\t\t\t\t\t\t\t\twidth\n\t\t\t\t\t\t\t\t\tvideoUrl\n\t\t\t\t\t\t\t\t\trawFileExt\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n\t\t\t\t\t\t\t\t\"clipId\": 374423\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('specific footage: ', res);\n                            var data = res.data.clip;\n                            if ($(\"#69d07aa9038d1\").length && data !== '') {\n                                createClipsGrid(data, \"69d07aa9038d1\");\n                            } else if ($(\"#69d07aa9038d1\").length && data.length == '') {\n                                $(\"#69d07aa9038d1\").empty().append('<div class=\"noClipsError\">No clips were found.<\/div>');\n                            }\n                        }\n                    });\n                }\n            } else if(\"footage\" == 'templates') {\n                if(\"374423\" === '') {\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query TemplatesList($payload: TemplatesByTermSearchPayload!) {\n                                templatesList(payload: $payload) {\n                                    nameForUrl\n                                    id\n                                    name\n                                    isNew\n                                    artistName\n                                    thumbnailUrl\n                                    previewVideoFileUrl\n                                }\n                            }`,\n                            variables: `{\n                                \"payload\": {\n                                    \"page\": 1,\n                                    \"take\": 1,\n                                    \"sortBy\": \"1\",\n                                    \"categories\": null,\n                                    \"searchTerms\": \"\"\n                                }\n                            }`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('templates list: ', res);\n                            var data = res.data.templatesList;\n                            if ($(\"#69d07aa9038d1\").length && data.length > 0) {\n                                createClipsGrid(data, \"69d07aa9038d1\");\n                            } else if ($(\"#69d07aa9038d1\").length && data.length == 0) {\n                                $(\"#69d07aa9038d1\").empty().append('<div class=\"noClipsError\">No clips were found.<\/div>');\n                            }\n                        }\n                    });\n                    } else if(\"374423\" !== '') {\n                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query Template($ids: [String!]!, $page: Int!, $take: Int!) {\n\t\t\t\t\t\t\t\ttemplatesByIds(ids: $ids, page: $page, take: $take) {\n\t\t\t\t\t\t\t\t\tnameForUrl\n                                    id\n                                    name\n                                    isNew\n                                    artistName\n                                    thumbnailUrl\n                                    previewVideoFileUrl\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n                                \"ids\": [\"374423\"],\n                                \"page\": 1,\n                                \"take\": 1\n\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('specific template: ', res);\n                            var data = res.data.templatesByIds[0];\n                            if ($(\"#69d07aa9038d1\").length && data !== '') {\n                                createClipsGrid(data, \"69d07aa9038d1\");\n                            } else if ($(\"#69d07aa9038d1\").length && data.length == '') {\n                                $(\"#69d07aa9038d1\").empty().append('<div class=\"noClipsError\">No clips were found.<\/div>');\n                            }\n                        }\n                    });\n                }\n            }\n\n            function createClipsGrid(data, clipsContainerId){\n                const container = $(\"#\" + clipsContainerId);\n                let playerSrc = '';\n\n                $.each(data, function(index, clip) {\n                    if(\"374423\" !== '') { \/\/ if this is a request for a specific clip by id - then the data is not an array of clips but only one clip and that's why the \"clip\" variable is actually the \"data\"\n                        index = 0\n                        clip = data;\n                    }\n                    if ((index) < 1) {\n                        \/\/ clip container\n                        const clipContainer = $(\"<div>\").addClass(\"clipContainer single_clip\");\n                        \/\/ new badge\n                        if (clip.isNew) {\n                            clipContainer.append('<span class=\"isNewBadge\">NEW<\/span>');\n                        }\n                        \/\/ video\n                        let videoElement = document.createElement('video');\n                        videoElement.setAttribute('playsinline', '');\n                        videoElement.setAttribute('webkit-playsinline', '');\n                        videoElement.setAttribute('x5-playsinline', '');\n                        videoElement.setAttribute('preload', 'auto');\n                        \n                        clipContainer.append(videoElement);\n                        \/\/ clip name and artist name\n                        let clipName = '';\n                        let artistName = '';\n                        if(\"footage\" == 'footage') {\n                            clipName = clip.clipNameForUrl;\n                            clipName = clipName.replace(\/-\/g, \", \");\n                            clipName = $(\"<a>\").addClass(\"clipName\").attr(\"href\", \"https:\/\/artlist.io\/stock-footage\/clip\/\" + clip.clipNameForUrl + \"\/\" + clip.id + \"?download=1&utm_source=blog\").attr(\"target\", \"_blank\").text(clipName);\n                            artistName = $(\"<div>\").addClass(\"artistName\").text('By ' + clip.filmMakerDisplayName + '');\n                        } else if(\"footage\" == 'templates') {\n                            clipName = $(\"<a>\").addClass(\"clipName\").attr(\"href\", \"https:\/\/artlist.io\/video-templates\/\" + clip.nameForUrl + \"\/\" + clip.id + \"?download=1&utm_source=blog\").attr(\"target\", \"_blank\").text(clip.name);\n                            artistName = $(\"<div>\").addClass(\"artistName\").text('By ' + clip.artistName + '');\n                        }\n                        const clipNames = $(\"<span>\").addClass(\"clipNames\").append(clipName, artistName);\n                        \/\/ download button\n                        let clipDownload = '';\n                        if(\"footage\" == 'footage') {\n                            clipDownload = $(\"<a>\").addClass(\"clipDownload\").attr(\"href\", \"https:\/\/artlist.io\/stock-footage\/clip\/\" + clip.clipNameForUrl + \"\/\" + clip.id + \"?download=1&utm_source=blog\").attr(\"target\", \"_blank\").html('<i class=\"icon download white\"><\/i>');\n                        } else if(\"footage\" == 'templates') {\n                            clipDownload = $(\"<a>\").addClass(\"clipDownload\").attr(\"href\", \"https:\/\/artlist.io\/video-templates\/\" + clip.nameForUrl + \"\/\" + clip.id + \"?download=1&utm_source=blog\").attr(\"target\", \"_blank\").html('<i class=\"icon download white\"><\/i>');\n                        }\n                        \/\/ overlay\n                        const overlay = $(\"<div>\").addClass(\"overlay\");\n                        overlay.append(clipNames, clipDownload);\n\n                        \/\/ APPEND ALL ELEMENTS INTO AUDIO PLAYER CONTAINER\n                        clipContainer.append(videoElement, overlay);\n\n                        \/\/ if this is a preview of only one specific clip (by id)\n                        if(\"374423\" !== '') {\n                            $(container).addClass(\"clipContainerSingular\")\n                        }\n\n                        \/\/ append audio player container into main playlist container\n                        container.append(clipContainer[0]);\n\n                        if(\"footage\" == 'footage') {\n                            playerSrc =  clip.clipPath;\n                        } else if(\"footage\" == 'templates') {\n                            playerSrc =  clip.previewVideoFileUrl;\n                        }\n                        const player = videojs(videoElement, {\n                            muted: true,\n                            autoplay: true,\n                        });\n\n                        player.src({\n                            src: playerSrc,\n                            type: 'application\/x-mpegURL'\n                        });\n\n                        \/* SEGMENT EVENTS *\/\n                        const special_data = getProps();\n\n                        \/* media played *\/\n                        var $videoElement = $(videoElement);\n                        $videoElement.on('play', function() {\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media played\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n\n                        \/* media paused *\/\n                        var $videoElement = $(videoElement);\n                        $videoElement.on('pause', function() {\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media paused\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n\n                        \/* media viewed *\/\n                        const observer = new IntersectionObserver(entries => {\n                            entries.forEach(entry => {\n                                if (entry.isIntersecting) {\n                                    var assetId = clip.id;\n                                    var artist = clip.filmMakerDisplayName || clip.artistName;\n                                    var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                                    var asset_type = null;\n                                    if(\"footage\" == 'footage') {\n                                        asset_type = 'footage';\n                                    } else if(\"footage\" == 'templates') {\n                                        asset_type = 'template';\n                                    }\n                                    analytics.track(\"media viewed\", {\n                                        asset_id: assetId || null,\n                                        asset_type: asset_type || null,\n                                        click_source: 'player',\n                                        artist: artist || null,\n                                        title: title || null,\n                                        genre: null,\n                                        ...special_data,\n                                    });\n                                    observer.unobserve(entry.target);\n                                }\n                            });\n                        }, {\n                            threshold: 0.5\n                        });\n                        observer.observe($videoElement[0]);\n\n                        \/* media downloaded *\/\n                        $videoElement.closest('.clipContainer').find('.clipName').on('click', function() {\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media downloaded\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n                        $videoElement.closest('.clipContainer').find('.clipDownload').on('click', function() {\n                            var assetId = clip.id;\n                            var artist = clip.filmMakerDisplayName || clip.artistName;\n                            var title = clip.clipNameForUrl ? clip.clipNameForUrl.replace(\/-\/g, \", \") : clip.name;\n                            var asset_type = null;\n                            if(\"footage\" == 'footage') {\n                                asset_type = 'footage';\n                            } else if(\"footage\" == 'templates') {\n                                asset_type = 'template';\n                            }\n                            analytics.track(\"media downloaded\", {\n                                asset_id: assetId || null,\n                                asset_type: asset_type || null,\n                                click_source: 'player',\n                                artist: artist || null,\n                                title: title || null,\n                                genre: null,\n                                ...special_data,\n                            });\n                        });\n\n                        \/\/ check screen size\n                        var mobileScreen = window.matchMedia('(max-width: 767px)');\n                        if (mobileScreen.matches) { \/\/ mobile\n                            const observer = new IntersectionObserver(function(entries) {\n                                entries.forEach(entry => {\n                                    if (entry.isIntersecting) {\n                                        player.play(); \/\/ Play the video when it enters the viewport\n                                    } else {\n                                        player.pause(); \/\/ Pause the video when it goes out of the viewport\n                                    }\n                                });\n                            });\n                            observer.observe(videoElement);\n                        } else { \/\/ desktop\n                            clipContainer.on('mouseenter', function() {\n                                player.play();\n                            });\n\n                            clipContainer.on('mouseleave', function() {\n                                player.pause();\n                            });\n                        }\n\n                    }\n                    if(\"374423\" !== '') { \/\/ if this is a request for a specific clip by id - then break out of loop after first time bc it's not an array\n                        return false;\n                    }\n                });\n            }\n\n        });\n    <\/script>\n\n    \n\n\n\n<h3 class=\"wp-block-heading\">Ilumina\u00e7\u00e3o de alta ou baixa intensidade<\/h3>\n\n\n\n<p>Tanto a ilumina\u00e7\u00e3o de alta tonalidade quanto a de baixa tonalidade podem ser obtidas com uma lente Fresnel no set. A ilumina\u00e7\u00e3o de alta tonalidade reduz a propor\u00e7\u00e3o de ilumina\u00e7\u00e3o, garantindo menos contraste entre os tons mais escuros e as \u00e1reas mais claras. J\u00e1 a ilumina\u00e7\u00e3o de baixa tonalidade estabelece maior contraste entre as \u00e1reas claras e escuras da imagem.<\/p>\n\n\n\n<p>Quando voc\u00ea quer um efeito de alta defini\u00e7\u00e3o em fotos de produtos, uma luz Fresnel pode facilmente inundar seu cen\u00e1rio.<\/p>\n\n\n\n<p>Se voc\u00ea precisa iluminar algo muito espec\u00edfico com um cone de luz r\u00edgido e sem vazamento (por exemplo, se estiver <a href=\"https:\/\/artlist.io\/blog\/night-scene-videography\/\">filmando uma cena noturna<\/a>\u00a0voc\u00ea pode achar o efeito de holofote Fresnel muito \u00fatil. Uma luz Fresnel vaza muito menos do que uma luz de face aberta, permitindo muito mais controle.<\/p>\n\n\n\n<p>Voc\u00ea pode ver o feixe pontual neste v\u00eddeo, que foi criado com uma luz Fresnel:<\/p>\n\n\n\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/8_CyBVQHXvI?feature=oembed\" width=\"683\" height=\"384\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/p>\n\n\n\n<p>Neste segundo v\u00eddeo, as Fresnels foram usadas \u200b\u200bpara iluminar objetos espec\u00edficos no set e faz\u00ea-los se destacar:<\/p>\n\n\n\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/-QClaPndzVA?start=60&amp;feature=oembed\" width=\"683\" height=\"384\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/p>\n\n\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"186\" class=\"elementor elementor-186\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b6940b6 elementor-section-full_width cta-middle external elementor-section-height-default elementor-section-height-default\" data-id=\"b6940b6\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ae3297b\" data-id=\"ae3297b\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3c76fe4 elementor-view-default 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7.77735C32.9453 8.45299 32.692 8.99043 32.1929 9.38199C31.6708 9.78891 30.9952 9.98085 30.1276 9.98085Z\" fill=\"#FFDA2A\"><\/path><path d=\"M38.0812 9.48966C37.7971 9.6125 37.5053 9.71999 37.2059 9.80445C36.8527 9.91193 36.4919 9.96568 36.1233 9.96568C35.8853 9.96568 35.655 9.93497 35.4323 9.87354C35.225 9.8198 35.0331 9.71231 34.8642 9.57411C34.6953 9.42824 34.5647 9.25165 34.4726 9.04435C34.3651 8.79867 34.3191 8.52995 34.3267 8.26123V4.27649H33.4131V2.91754H34.3267V0.667969H36.1003V2.91754H37.5591V4.27649H36.1003V7.66236C36.1003 7.90805 36.1617 8.08464 36.2922 8.18445C36.4228 8.29194 36.5917 8.34568 36.7606 8.338C36.9448 8.338 37.1291 8.30729 37.3057 8.24587C37.4823 8.18445 37.6205 8.1307 37.728 8.08464L38.0812 9.48966Z\" fill=\"#FFDA2A\"><\/path><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M3.43194 1.08203H5.20549L8.62975 8.48334V9.85765C7.24776 9.91907 5.80435 9.94979 4.31487 9.94979C2.8254 9.94979 1.38199 9.91907 0 9.85765V8.48334L3.43194 1.08203ZM1.90407 8.39121C2.71023 8.41424 3.51639 8.42192 4.31487 8.42192C5.12103 8.42192 5.92719 8.40657 6.72567 8.39121L4.31487 3.18572L1.90407 8.39121Z\" fill=\"#FFDA2A\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-509c078 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"509c078\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b63c6db\" data-id=\"b63c6db\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-88ef02d elementor-widget elementor-widget-heading\" data-id=\"88ef02d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Get unlimited royalty-free 4K footage<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-90a8615\" data-id=\"90a8615\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-476808b elementor-mobile-align-justify elementor-align-justify elementor-widget__width-initial external-link-event event-midpage-startfree elementor-widget-tablet__width-initial elementor-widget elementor-widget-button\" data-id=\"476808b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/artlist.io\/start-now\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Start  Free Now<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1816319 elementor-mobile-align-justify elementor-align-justify elementor-widget__width-initial external-link-event event-midpage-pricing elementor-widget-mobile__width-initial elementor-widget elementor-widget-button\" data-id=\"1816319\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/artlist.io\/page\/pricing\/max\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Pricing<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n\n\n\n<h2 class=\"wp-block-heading\">Acess\u00f3rios para luzes Fresnel<\/h2>\n\n\n\n<p>Existem alguns acess\u00f3rios essenciais quando se trata de trabalhar com luzes Fresnel:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Suportes de luz<\/h3>\n\n\n\n<p>Junto com a lente Fresnel, seu kit deve vir com um suporte de ilumina\u00e7\u00e3o no qual a luz pode ser montada e movimentada. O tamanho e o peso deste suporte ser\u00e3o determinados pelo tamanho e peso da sua lente Fresnel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luvas de couro com ader\u00eancia<\/h3>\n\n\n\n<p>Voc\u00ea sabia que setenta por cento da energia usada por uma l\u00e2mpada Fresnel \u00e9 dispersa na forma de calor? Em outras palavras, elas podem esquentar muito e causar queimaduras muito desagrad\u00e1veis \u200b\u200bse tocadas. Por isso, voc\u00ea deve sempre manusear a l\u00e2mpada Fresnel com um bom par de luvas de couro resistentes ao calor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fita adesiva preta<\/h3>\n\n\n\n<p>\u00c9 muito \u00fatil ter isso em qualquer set ou local. Se voc\u00ea tiver algum cabo solto da luz Fresnel, um pouco de fita adesiva preta pode ajudar a prend\u00ea-lo e mant\u00ea-lo no lugar rapidamente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alternativas \u00e0s luzes de Fresnel<\/h2>\n\n\n\n<p>N\u00e3o \u00e9 segredo que a ilumina\u00e7\u00e3o Fresnel pode ser cara. Ent\u00e3o, existem alternativas vi\u00e1veis \u200b\u200b\u00e0s luzes Fresnel? Vamos dar uma olhada nas seguintes:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luzes LED<\/h3>\n\n\n\n<p>As <a href=\"https:\/\/artlist.io\/blog\/led-video-lights\/\">Luzes LED<\/a> tornaram-se cada vez mais populares em filmes devido \u00e0 sua efici\u00eancia energ\u00e9tica, versatilidade e controlabilidade. Dispon\u00edveis em diversos formatos, incluindo pain\u00e9is, tubos e matrizes, eles podem produzir uma ampla gama de temperaturas de cor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luzes HMI<\/h3>\n\n\n\n<p>As luzes HMI (Iodeto de Arco M\u00e9dio de Hydrargyrum) s\u00e3o potentes luzes balanceadas para a luz do dia, comumente usadas em cen\u00e1rios de filmagem ao ar livre e com luz do dia. S\u00e3o eficientes e produzem uma sa\u00edda de luz de alta qualidade, tornando-as adequadas para a produ\u00e7\u00e3o cinematogr\u00e1fica.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luzes de tungst\u00eanio<\/h3>\n\n\n\n<p>Embora n\u00e3o sejam t\u00e3o eficientes em termos energ\u00e9ticos quanto as luzes LED, as luzes de tungst\u00eanio ainda s\u00e3o amplamente utilizadas na produ\u00e7\u00e3o cinematogr\u00e1fica por sua emiss\u00e3o de luz quente e natural. Elas v\u00eam em v\u00e1rios formatos, incluindo luzes de face aberta, elipsoidais e PAR.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luzes fluorescentes<\/h3>\n\n\n\n<p>As luzes fluorescentes fornecem uma luz suave e difusa, frequentemente usada para preencher sombras ou criar uma luz principal suave. Elas s\u00e3o mais frias e mais eficientes em termos de energia do que as luzes de tungst\u00eanio, mas podem exigir luzes especiais para uma difus\u00e3o adequada.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luzes suaves<\/h3>\n\n\n\n<p>Luzes suaves, como softboxes ou pain\u00e9is de LED difusos, s\u00e3o usadas para criar uma luz agrad\u00e1vel e uniforme que minimiza sombras fortes. S\u00e3o frequentemente usadas para ilumina\u00e7\u00e3o principal ou de preenchimento em retratos e entrevistas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quais s\u00e3o os pr\u00f3s e os contras de uma luz Fresnel?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00f3s<\/h3>\n\n\n\n<ul>\n<li>Muito simples de usar<\/li>\n\n\n\n<li>Alternam facilmente entre holofote e feixe de luz pontual<\/li>\n\n\n\n<li>Altamente vers\u00e1teis; podem ser usados \u200b\u200bcomo luzes principais, luzes de preenchimento, luzes de fundo, holofotes e criar <a href=\"https:\/\/new-blog.artlist.io\/blog\/hard-light-vs-soft-light\/\" target=\"_blank\" rel=\"noopener\">ilumina\u00e7\u00e3o de destaque e destaque<\/a><\/li>\n\n\n\n<li>Ao comparar a ilumina\u00e7\u00e3o Fresnel com a ilumina\u00e7\u00e3o de face aberta, o feixe Fresnel oferece mais controle e menos vazamento de luz<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Contras<\/h3>\n\n\n\n<ul>\n<li>Elas ficam muito quentes<\/li>\n\n\n\n<li>As l\u00e2mpadas LED Fresnel mais recentes n\u00e3o geram tanto calor, mas sua cor costuma ser menos desej\u00e1vel do que a dos modelos mais antigos de tungst\u00eanio. No entanto, algumas t\u00eam cor control\u00e1vel.<\/li>\n\n\n\n<li>Alguns dos novos Fresnels de LED de alta pot\u00eancia podem produzir ru\u00eddo de ventilador<\/li>\n\n\n\n<li>Elas podem ser caras<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Concluindo<\/h2>\n\n\n\n<p>Depois de experimentar fotografar com uma luz Fresnel, \u00e9 prov\u00e1vel que voc\u00ea sempre queira ter uma por perto. Elas podem ser caras, mas quando voc\u00ea compara isso com sua adaptabilidade, voc\u00ea pode descobrir que realmente valem a pena.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pergunta do quiz para voc\u00ea: O que far\u00f3is, teatros e sets de filmagem t\u00eam em comum? J\u00e1 entendeu? \u00c9 a luz de Fresnel \u2013 tamb\u00e9m conhecida como lanterna de Fresnel ou l\u00e2mpada de Fresnel. Embora tenha sido desenvolvida inicialmente na d\u00e9cada de 1820 pelo engenheiro franc\u00eas Augustin Jean Fresnel para aprimorar far\u00f3is, a luz de [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":34528,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[951],"tags":[1414,1415,1416],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Luz Fresnel: pr\u00f3s e contras e como usar | Artlist<\/title>\n<meta name=\"description\" content=\"Uma luz Fresnel \u00e9 luz altamente vers\u00e1til e control\u00e1vel que pode ser usada tanto como spot quanto como flood. 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