{"id":46119,"date":"2024-04-17T08:00:40","date_gmt":"2024-04-17T08:00:40","guid":{"rendered":"https:\/\/new-blog.artlist.io\/blog\/fresnel-lights\/"},"modified":"2025-06-30T07:52:46","modified_gmt":"2025-06-30T07:52:46","slug":"faro-fresnel","status":"publish","type":"post","link":"https:\/\/new-blog.artlist.io\/blog\/it\/faro-fresnel\/","title":{"rendered":"Che cos&#8217;\u00e8 un faro Fresnel e come usarlo nei tuoi video"},"content":{"rendered":"\n<p>Iniziamo con una domanda: che cosa hanno in comune fari, teatri e set cinematografici? Conosci la risposta? \u00c8 il faro Fresnel, anche noto come &#8220;lanterna di Fresnel&#8221; o &#8220;lampada di Fresnel&#8221;. Sebbene sia stato sviluppato nel 1820 dall&#8217;ingegnere francese Augustin Jean Fresnel per potenziare i fari, \u00e8 diventato un punto fermo dell&#8217;industria cinematografica e teatrale. Producendo una luce altamente versatile, pu\u00f2 essere utilizzato sia come spot che come flood, per&nbsp;<a href="\&quot;https:\/\/artlist.io\/blog\/everything-you-need-to-know-about-the-3-point-lighting-setup\/\&quot;" target=\"_blank\" rel=\"noopener\">illuminazioni a 3 punt<\/a>&nbsp;o high-key e low-key.<\/p>\n\n\n\n<p><em>Come si pronuncia? In quanto il suo inventore \u00e8 francese, si legge &#8220;Fresn\u00e8l&#8221;, con l&#8217;accento che cade sulla seconda sillaba, e non sulla prima.<\/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\">Che cos&#8217;\u00e8 un faro Fresnel?<\/h2><\/div><p class=\"uagb-ifb-desc\">Un faro Fresnel \u00e8 costituito da una lampada posizionata tra una lente e un riflettore e alloggiata in una scatola. La luce della lampada, attraversando la lente, forma un fascio regolabile.<\/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>Una lente di Fresnel comprende strati di anelli concentrici, ciascuno pi\u00f9 piccolo del precedente, piuttosto che una classica lente sferica. Ogni anello &#8220;piega&#8221; la luce leggermente di pi\u00f9 rispetto a quello sottostante, perch\u00e9 essa converga costantemente in un fascio. Tali anelli concentrici sono ci\u00f2 su cui Fresnel ha lavorato per potenziare le lanterne dei fari. Le dimensioni di una lente normale sarebbero state poco pratiche per produrre un fascio della larghezza e dell&#8217;intensit\u00e0 richieste per rendere efficace un faro. Le propriet\u00e0 di flessione degli anelli concentrici hanno dunque cambiato le regole del gioco.<\/p>\n\n\n\n<p>La lampada, che pu\u00f2 variare in potenza, e il riflettore sono collocati su un binario e possono essere avvicinati o allontanati dalla lente di Fresnel per allargare o restringere il fascio di luce. Inoltre, \u00e8 possibile montare&nbsp;<a href="\&quot;https:\/\/artlist.io\/blog\/the-ultimate-guide-to-light-modifiers\/\&quot;">modificatori di luce<\/a>&nbsp;alla parte anteriore della scatola, come i barndoor, per controllare meglio il raggio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Come si usa un faro Fresnel?<\/h2>\n\n\n\n<p>I fari Fresnel sono molto semplici da usare, il che li rende una scelta eccellente per qualsiasi set, nonch\u00e9 per&nbsp;l&#8217;<a href="\&quot;https:\/\/artlist.io\/blog\/tips-for-getting-better-lighting-for-your-youtube-videos\/\&quot;" target=\"_blank\" rel=\"noopener\">illuminazione dei video YouTube<\/a>.<\/p>\n\n\n\n<p>Se avvicini la lampada alla lente di Fresnel, ottieni un fascio di luce pi\u00f9 ampio in grado di illuminare tutta la scena; al contrario, se allontani lampada e riflettore dall&#8217;obiettivo, il fascio si restringe. Ci\u00f2 che rende un faro Fresnel cos\u00ec comodo \u00e8 la possibilit\u00e0 di modificare l&#8217;angolo del fascio senza dover spostare il faro stesso.<\/p>\n\n\n\n<p>\u00c8 semplice montare un modificatore alla parte anteriore di una lampada Fresnel: ad esempio, i barndoor vengono utilizzati per modellare la luce, le pellicole per ridurre l&#8217;intensit\u00e0, le gelatine per la correzione del colore e gli anelli speedring per aggiungere un softbox.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tipologie di illuminazione Fresnel<\/h2>\n\n\n\n<p>Sono i fari a determinare la tipologia di illuminazione, in quanto tendono a essere costruiti con diametri di lenti da tre, sei e otto pollici. Disponibili in diverse potenze e intensit\u00e0, hanno anche dei nomi insoliti, che gli ha dato Mole Richardson.<\/p>\n\n\n\n<ul>\n<li>Un Fresnel da 100 watt \u00e8 chiamato <em>inky,<\/em> &#8220;inchiostro&#8221;<\/li>\n\n\n\n<li>Quello da 200 watt <em>&#8220;midget&#8221;<\/em>,&#8221;nano&#8221;<\/li>\n\n\n\n<li>Quello da 650 watt <em>&#8220;tweenie&#8221;<\/em>, &#8220;preadolescente&#8221;<\/li>\n\n\n\n<li>Quello da 1.000 watt <em>&#8220;baby&#8221;, <\/em>&#8220;bambino&#8221;<\/li>\n\n\n\n<li>Quello da 2.000 watt &#8220;junior&#8221;<\/li>\n\n\n\n<li>Quello da 5.000 watt &#8220;senior&#8221;<\/li>\n<\/ul>\n\n\n\n<p>Bada a non toccare mai il vetro: se caldo, rischi di ustionarti, se freddo, rischi di macchiarti di olio. Inoltre, quando la luce si riscalda, l&#8217;olio pu\u00f2 far esplodere il vetro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Per cosa usare un faro Fresnel?<\/h2>\n\n\n\n<p>Gran parte del suo fascino risiede nella versatilit\u00e0. Puoi impiegarlo per&nbsp;<a href="\&quot;https:\/\/artlist.io\/blog\/lighting-youtube-videos-a-beginners-guide\/\&quot;" target=\"_blank\" rel=\"noopener\">&nbsp;illuminare i video YouTube<\/a>&nbsp;per una luce morbida e uniforme, oppure restringerne il fascio per produrre una&nbsp;<a href="\&quot;https:\/\/artlist.io\/blog\/hard-light-vs-soft-light\/\&quot;">luce concentrata<\/a> e donare al set un tono di drammaticit\u00e0.<\/p>\n\n\n\n<p>Ecco alcuni usi principali.<\/p>\n\n\n\n<ul>\n<li>Spot (o flood)<\/li>\n\n\n\n<li>Illuminazione a 3 punti<\/li>\n\n\n\n<li>Luce high e low-key<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Illuminazione spot (o flood)<\/h3>\n\n\n\n<p>Il fascio di luce all&#8217;apertura di questo video proviene da un faro Fresnel, che funge da riflettore ed evidenzia il soggetto e l&#8217;area dell&#8217;inquadratura su cui vogliamo che il pubblico si concentri.<\/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>Il Fresnel \u00e8 impiegato in molte produzioni teatrali e musicali di tutto il mondo:<\/p>\n\n\n\n<p>Qui, viene utilizzato per dare definizione al soggetto:<\/p>\n\n\n\n    <div class=\"clipsContainer\" id=\"69d020b1a0238\"><\/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                    $.ajax({\n                        method: \"POST\",\n                        url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query ClipList($page: Int, $sortType: Int, $categoryIds: String, $searchTerm: String) {\n\t\t\t\t\t\t\t\tclipList(page: $page, 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      url: \"https:\/\/search-api.artlist.me\/v1\/graphql\",\n                        contentType: \"application\/json\",\n                        data: JSON.stringify({\n                            query: `query ClipList($page: Int, $sortType: Int, $categoryIds: String, $searchTerm: String) {\n\t\t\t\t\t\t\t\tclipList(page: $page, sortType: $sortType, categoryIds: $categoryIds, searchTerm: $searchTerm) {\n\t\t\t\t\t\t\t\t  exactResults  {\n\t\t\t\t\t\t\t\t\tclipPath\n\t\t\t\t\t\t\t\t\tclipNameForUrl\n\t\t\t\t\t\t\t\t\tid\n\t\t\t\t\t\t\t\t\tisNew\n\t\t\t\t\t\t\t\t\tfilmMakerDisplayName\n\t\t\t\t\t\t\t\t\timageUrl\n\t\t\t\t\t\t\t\t\tthumbnailUrl\n\t\t\t\t\t\t\t\t\twidth\n\t\t\t\t\t\t\t\t\tvideoUrl\n\t\t\t\t\t\t\t\t\trawFileExt\n\t\t\t\t\t\t\t\t  }\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n\t\t\t\t\t\t\t\t\"page\": 1,\n\t\t\t\t\t\t\t\t\"sortType\": 1,\n\t\t\t\t\t\t\t\t\"categoryIds\": null,\n\t\t\t\t\t\t\t\t\"searchTerm\": \"\"\n\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('footage list: ', res);\n                            var data = res.data.clipList.exactResults;\n                            if ($(\"#69d020b1a030f\").length && data.length > 0) {\n                                createClipsGrid(data, \"69d020b1a030f\");\n                            } else if ($(\"#69d020b1a030f\").length && data.length == 0) {\n                                $(\"#69d020b1a030f\").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: $clipId) {\n\t\t\t\t\t\t\t\t\tclipPath\n\t\t\t\t\t\t\t\t\tclipNameForUrl\n\t\t\t\t\t\t\t\t\tid\n\t\t\t\t\t\t\t\t\tisNew\n\t\t\t\t\t\t\t\t\tfilmMakerDisplayName\n\t\t\t\t\t\t\t\t\timageUrl\n\t\t\t\t\t\t\t\t\tthumbnailUrl\n\t\t\t\t\t\t\t\t\twidth\n\t\t\t\t\t\t\t\t\tvideoUrl\n\t\t\t\t\t\t\t\t\trawFileExt\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n\t\t\t\t\t\t\t\t\"clipId\": 328174\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('specific footage: ', res);\n                            var data = res.data.clip;\n                            if ($(\"#69d020b1a030f\").length && data !== '') {\n                                createClipsGrid(data, \"69d020b1a030f\");\n                            } else if ($(\"#69d020b1a030f\").length && data.length == '') {\n                                $(\"#69d020b1a030f\").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: $payload) {\n                                    nameForUrl\n                                    id\n                                    name\n                                    isNew\n                                    artistName\n                                    thumbnailUrl\n                                    previewVideoFileUrl\n                                }\n                            }`,\n                            variables: `{\n                                \"payload\": {\n                                    \"page\": 1,\n                                    \"take\": 1,\n                                    \"sortBy\": \"1\",\n                                    \"categories\": null,\n                                    \"searchTerms\": \"\"\n                                }\n                            }`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('templates list: ', res);\n                            var data = res.data.templatesList;\n                            if ($(\"#69d020b1a030f\").length && data.length > 0) {\n                                createClipsGrid(data, \"69d020b1a030f\");\n                            } else if ($(\"#69d020b1a030f\").length && data.length == 0) {\n                                $(\"#69d020b1a030f\").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: $take) {\n\t\t\t\t\t\t\t\t\tnameForUrl\n                                    id\n                                    name\n                                    isNew\n                                    artistName\n                                    thumbnailUrl\n                                    previewVideoFileUrl\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n                                \"ids\": [\"328174\"],\n                                \"page\": 1,\n                                \"take\": 1\n\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('specific template: ', res);\n                            var data = res.data.templatesByIds[0];\n                            if ($(\"#69d020b1a030f\").length && data !== '') {\n                                createClipsGrid(data, \"69d020b1a030f\");\n                            } else if ($(\"#69d020b1a030f\").length && data.length == '') {\n                                $(\"#69d020b1a030f\").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\">Illuminazione a 3 punti<\/h3>\n\n\n\n<p>Puoi anche utilizzare un faro Fresnel per qualsiasi lampada in un&#8217;illuminazione a 3 punti, in qualit\u00e0 di luce principale, di riempimento, come <a href=\"https:\/\/artlist.io\/blog\/backlighting\/\">retroilluminazione<\/a> o per illuminare lo sfondo della cornice.<\/p>\n\n\n\n<p>Qui, viene impiegato per dare definizione al soggetto:<\/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>&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/artlist.io\/stock-footage?utm_source=blog&amp;utm_medium=sidebanner&amp;utm_campaign=it\" target=\"_blank\" rel=\"noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"373\" src=\"https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/12\/IT-Middle-Banner-get-the-best-creative-assets-for-your-videos-1140-1024x373.jpg\" alt=\"\" class=\"wp-image-35941\" srcset=\"https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/12\/IT-Middle-Banner-get-the-best-creative-assets-for-your-videos-1140-1024x373.jpg 1024w, https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/12\/IT-Middle-Banner-get-the-best-creative-assets-for-your-videos-1140-300x109.jpg 300w, https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/12\/IT-Middle-Banner-get-the-best-creative-assets-for-your-videos-1140-768x280.jpg 768w, https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/12\/IT-Middle-Banner-get-the-best-creative-assets-for-your-videos-1140.jpg 1140w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Questo filmato d&#8217;archivio, invece, mostra come un faro Fresnel pu\u00f2 essere impiegato come luce principale<\/p>\n\n\n\n    <div class=\"clipsContainer\" id=\"69d020b1a0388\"><\/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: $searchTerm) {\n\t\t\t\t\t\t\t\t  exactResults  {\n\t\t\t\t\t\t\t\t\tclipPath\n\t\t\t\t\t\t\t\t\tclipNameForUrl\n\t\t\t\t\t\t\t\t\tid\n\t\t\t\t\t\t\t\t\tisNew\n\t\t\t\t\t\t\t\t\tfilmMakerDisplayName\n\t\t\t\t\t\t\t\t\timageUrl\n\t\t\t\t\t\t\t\t\tthumbnailUrl\n\t\t\t\t\t\t\t\t\twidth\n\t\t\t\t\t\t\t\t\tvideoUrl\n\t\t\t\t\t\t\t\t\trawFileExt\n\t\t\t\t\t\t\t\t  }\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n\t\t\t\t\t\t\t\t\"page\": 1,\n\t\t\t\t\t\t\t\t\"sortType\": 1,\n\t\t\t\t\t\t\t\t\"categoryIds\": null,\n\t\t\t\t\t\t\t\t\"searchTerm\": \"\"\n\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('footage list: ', res);\n                            var data = res.data.clipList.exactResults;\n                            if ($(\"#69d020b1a0388\").length && data.length > 0) {\n                                createClipsGrid(data, \"69d020b1a0388\");\n                            } else if ($(\"#69d020b1a0388\").length && data.length == 0) {\n                                $(\"#69d020b1a0388\").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: $clipId) {\n\t\t\t\t\t\t\t\t\tclipPath\n\t\t\t\t\t\t\t\t\tclipNameForUrl\n\t\t\t\t\t\t\t\t\tid\n\t\t\t\t\t\t\t\t\tisNew\n\t\t\t\t\t\t\t\t\tfilmMakerDisplayName\n\t\t\t\t\t\t\t\t\timageUrl\n\t\t\t\t\t\t\t\t\tthumbnailUrl\n\t\t\t\t\t\t\t\t\twidth\n\t\t\t\t\t\t\t\t\tvideoUrl\n\t\t\t\t\t\t\t\t\trawFileExt\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n\t\t\t\t\t\t\t\t\"clipId\": 374423\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('specific footage: ', res);\n                            var data = res.data.clip;\n                            if ($(\"#69d020b1a0388\").length && data !== '') {\n                                createClipsGrid(data, \"69d020b1a0388\");\n                            } else if ($(\"#69d020b1a0388\").length && data.length == '') {\n                                $(\"#69d020b1a0388\").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: $payload) {\n                                    nameForUrl\n                                    id\n                                    name\n                                    isNew\n                                    artistName\n                                    thumbnailUrl\n                                    previewVideoFileUrl\n                                }\n                            }`,\n                            variables: `{\n                                \"payload\": {\n                                    \"page\": 1,\n                                    \"take\": 1,\n                                    \"sortBy\": \"1\",\n                                    \"categories\": null,\n                                    \"searchTerms\": \"\"\n                                }\n                            }`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('templates list: ', res);\n                            var data = res.data.templatesList;\n                            if ($(\"#69d020b1a0388\").length && data.length > 0) {\n                                createClipsGrid(data, \"69d020b1a0388\");\n                            } else if ($(\"#69d020b1a0388\").length && data.length == 0) {\n                                $(\"#69d020b1a0388\").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: $take) {\n\t\t\t\t\t\t\t\t\tnameForUrl\n                                    id\n                                    name\n                                    isNew\n                                    artistName\n                                    thumbnailUrl\n                                    previewVideoFileUrl\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}`,\n                            variables: `{\n                                \"ids\": [\"374423\"],\n                                \"page\": 1,\n                                \"take\": 1\n\t\t\t\t\t\t\t}`,\n                        })\n                    }).done(function (res) {\n                        if(res == '') {\n                            console.log('none');\n                        } else {\n                            console.log('specific template: ', res);\n                            var data = res.data.templatesByIds[0];\n                            if ($(\"#69d020b1a0388\").length && data !== '') {\n                                createClipsGrid(data, \"69d020b1a0388\");\n                            } else if ($(\"#69d020b1a0388\").length && data.length == '') {\n                                $(\"#69d020b1a0388\").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\">Illuminazione high-key o low-key<\/h3>\n\n\n\n<p>\u00c8 possibile ottenere sia un&#8217;illuminazione high che low-key usando una lente di Fresnel sul set. L&#8217;illuminazione high-key riduce il rapporto di illuminazione, assicurando che ci sia meno contrasto tra i toni maggiormente scuri e le aree pi\u00f9 luminose. L&#8217;illuminazione low-key, invece, stabilisce un maggiore contrasto tra le aree scure e chiare dell&#8217;immagine.<\/p>\n\n\n\n<p>Quando si desidera un effetto high-key nelle riprese di prodotti, l&#8217;impiego di un faro Fresnel permette di illuminare facilmente il set con un effetto flood.<\/p>\n\n\n\n<p>Se hai bisogno di illuminare qualcosa di molto specifico con un cono concentrato e senza fuoriuscite di luce, ad esempio se stai <a href=\"https:\/\/artlist.io\/blog\/night-scene-videography\/\">girando una scena notturna<\/a>,&nbsp;ti torner\u00e0 utile questa tipologia di faro che, illuminando molto meno di una lampada open-face, ti fornisce un controllo di gran lunga superiore.<\/p>\n\n\n\n<p>Il fascio creato in questo video \u00e8 stato realizzato con un faro 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>Qui, invece, due Fresnel illuminano specifici oggetti sul set per metterli in risalto:<\/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 elementor-widget elementor-widget-icon\" data-id=\"3c76fe4\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"45\" height=\"13\" viewBox=\"0 0 45 13\" fill=\"none\"><path d=\"M13.7128 4.45274C13.2137 4.45274 12.7223 4.56022 12.2694 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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\">Accessori per fari Fresnel<\/h2>\n\n\n\n<p>Ecco alcuni accessori indispensabili per quando si lavora con i fari Fresnel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Supporti<\/h3>\n\n\n\n<p>Insieme alla lente omonima, il tuo kit dovrebbe includere un supporto su cui montare e spostare il faro. Le dimensioni e il peso saranno determinati dalle dimensioni e dal peso della lente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Guanti in pelle<\/h3>\n\n\n\n<p>Sai che il 70% dell&#8217;energia utilizzata da un faro Fresnel viene dispersa sotto forma di calore? In altre parole, pu\u00f2 diventare rovente e ustionare la pelle. Ecco perch\u00e9 \u00e8 bene maneggiare sempre i fari Fresnel indossando un buon set di guanti in pelle resistenti al calore.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nastro adesivo nero<\/h3>\n\n\n\n<p>\u00c8 utile in qualsiasi set o location. Se il tuo faro Fresnel ha dei cavi allentati, con un po&#8217; di nastro nero puoi fissarli rapidamente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alternative ai fari di Fresnel<\/h2>\n\n\n\n<p>Questi fari, si sa, hanno un certo costo. Esistono per\u00f2 alcune valide alternative. Diamo loro un&#8217;occhiata.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luci a LED<\/h3>\n\n\n\n<p>Le <a href=\"https:\/\/artlist.io\/blog\/led-video-lights\/\">luci a LED<\/a> hanno acquisito sempre maggiore popolarit\u00e0 nei film grazie alla loro efficienza energetica, versatilit\u00e0 e controllabilit\u00e0. Sono disponibili in varie forme, come pannelli, tubi e array, e possono produrre un&#8217;ampia gamma di temperature di colore.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Luci HMI<\/h3>\n\n\n\n<p>Le HMI (lampada di ioduro ad arco medio hydrargyrum) sono potenti lampade bilanciate alla luce diurna, comunemente utilizzate in scenari di ripresa all&#8217;aperto e&nbsp; girati di giorno. Efficienti, producono un&#8217;emissione luminosa di alta qualit\u00e0, il che le rende adatte alla produzione di film.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lampade al tungsteno<\/h3>\n\n\n\n<p>Sebbene non siano efficienti dal punto di vista energetico come le luci a LED, quelle al tungsteno sono ancora ampiamente utilizzate nel cinema per la loro emissione luminosa calda e dall&#8217;aspetto naturale. Disponibili in varie forme, ne esistono in versione open face, ellissoidali e PAR.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lampade fluorescenti<\/h3>\n\n\n\n<p>Le lampade fluorescenti forniscono un effetto morbido e diffuso, spesso utilizzato per riempire le ombre o creare una luce principale soft. Pi\u00f9 fredde e pi\u00f9 efficienti dal punto di vista energetico rispetto alle luci al tungsteno, possono richiedere dispositivi speciali per una corretta diffusione del fascio.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lampade soffuse<\/h3>\n\n\n\n<p>Le lampade soffuse, come i softbox o i pannelli LED diffusi, vengono utilizzate per creare una luce uniforme ed elegante che riduce al minimo le ombre concentrate. Sono spesso utilizzate per l&#8217;illuminazione principale o di riempimento in set per ritratti e interviste.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quali sono i pro e i contro di un faro Fresnel?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pro<\/h3>\n\n\n\n<ul>\n<li>\u00c8 molto semplice da usare<\/li>\n\n\n\n<li>\u00c8 facile passare dalla modalit\u00e0 flood a quella spot<\/li>\n\n\n\n<li>\u00c8 estremamente versatile: pu\u00f2 essere impiegato come luce principale, di riempimento, retroilluminazione, come proiettore e per creare un&#8217;<a href=\"https:\/\/new-blog.artlist.io\/blog\/hard-light-vs-soft-light\/\" target=\"_blank\" rel=\"noopener\">&#8216;illuminazione high-key e low-key<\/a><\/li>\n\n\n\n<li>Rispetto a una lampada open face, offre un maggiore controllo e una minore dispersione di luce<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Contro<\/h3>\n\n\n\n<ul>\n<li>Raggiunge alte temperature<\/li>\n\n\n\n<li>Le nuove versioni a LED non si riscaldano come le precedenti, ma il colore generato \u00e8 inferiore a quello dei vecchi modelli al tungsteno. In alcuni casi, per\u00f2, \u00e8 possibile regolarlo<\/li>\n\n\n\n<li>Alcuni dei pi\u00f9 recenti Fresnel a LED ad alta potenza producono rumore dalla ventola<\/li>\n\n\n\n<li>Possono essere costosi<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c8 tutto!<\/h2>\n\n\n\n<p>Dopo che proverai a filmare un video con un faro Fresnel, probabilmente non potrai pi\u00f9 farne a meno. Per quanto costosi, infatti, se tieni conto della loro elevata versatilit\u00e0, non puoi che convenire che \u00e8 un validissimo investimento.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Iniziamo con una domanda: che cosa hanno in comune fari, teatri e set cinematografici? Conosci la risposta? \u00c8 il faro Fresnel, anche noto come &#8220;lanterna di Fresnel&#8221; o &#8220;lampada di Fresnel&#8221;. Sebbene sia stato sviluppato nel 1820 dall&#8217;ingegnere francese Augustin Jean Fresnel per potenziare i fari, \u00e8 diventato un punto fermo dell&#8217;industria cinematografica e teatrale. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":34526,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[724],"tags":[1417,1418,1419],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pro, contro e usi del faro Fresnel | Artlist<\/title>\n<meta name=\"description\" content=\"Il Fresnel \u00e8 un faro altamente versatile e regolabile che pu\u00f2 essere utilizzato sia in modalit\u00e0 spot che flood. 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Since 2010 she has focused on the photography sector. In this time, she has written three books and contributed to many more, served as the editor for two websites, written thousands of articles for numerous publications, both in print and online and runs the Photocritic Photography School.","sameAs":["https:\/\/www.instagram.com\/smallaperture\/","https:\/\/twitter.com\/https:\/\/twitter.com\/SmallAperture"],"url":"https:\/\/new-blog.artlist.io\/blog\/it\/author\/danielab\/"}]}},"uagb_featured_image_src":{"full":["https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/03\/170424-Top-20_-Frensel-lights-Blog-cover.jpg",1610,846,false],"thumbnail":["https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/03\/170424-Top-20_-Frensel-lights-Blog-cover-150x150.jpg",150,150,true],"medium":["https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/03\/170424-Top-20_-Frensel-lights-Blog-cover-300x158.jpg",300,158,true],"medium_large":["https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/03\/170424-Top-20_-Frensel-lights-Blog-cover-768x404.jpg",768,404,true],"large":["https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/03\/170424-Top-20_-Frensel-lights-Blog-cover-1024x538.jpg",1024,538,true],"1536x1536":["https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/03\/170424-Top-20_-Frensel-lights-Blog-cover-1536x807.jpg",1536,807,true],"2048x2048":["https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2024\/03\/170424-Top-20_-Frensel-lights-Blog-cover.jpg",1610,846,false]},"uagb_author_info":{"display_name":"Daniela Bowker","author_link":"https:\/\/new-blog.artlist.io\/blog\/it\/author\/danielab\/"},"uagb_comment_info":0,"uagb_excerpt":"Iniziamo con una domanda: che cosa hanno in comune fari, teatri e set cinematografici? Conosci la risposta? \u00c8 il faro Fresnel, anche noto come &#8220;lanterna di Fresnel&#8221; o &#8220;lampada di Fresnel&#8221;. Sebbene sia stato sviluppato nel 1820 dall&#8217;ingegnere francese Augustin Jean Fresnel per potenziare i fari, \u00e8 diventato un punto fermo dell&#8217;industria cinematografica e teatrale.&hellip;","_links":{"self":[{"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/posts\/46119"}],"collection":[{"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/comments?post=46119"}],"version-history":[{"count":7,"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/posts\/46119\/revisions"}],"predecessor-version":[{"id":46136,"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/posts\/46119\/revisions\/46136"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/media\/34526"}],"wp:attachment":[{"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/media?parent=46119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/categories?post=46119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/new-blog.artlist.io\/blog\/it\/wp-json\/wp\/v2\/tags?post=46119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}