{"id":3064,"date":"2021-05-27T09:57:13","date_gmt":"2021-05-27T09:57:13","guid":{"rendered":"https:\/\/new-blog.artlist.io\/?p=3064"},"modified":"2022-06-12T09:23:16","modified_gmt":"2022-06-12T09:23:16","slug":"nd-filters","status":"publish","type":"post","link":"https:\/\/new-blog.artlist.io\/blog\/nd-filters\/","title":{"rendered":"A Comprehensive Guide to ND Filters"},"content":{"rendered":"<p>You\u2019re filming outside in very bright light. You cannot adjust your shutter speed because it is set to the correct shutter angle for your frame rate. Your aperture is as small as it will go, and your ISO is as low as possible. But your scene is horribly over-exposed. What can you do? You can use a neutral density filter, aka ND filter.<\/p>\n<h2>What is a neutral density filter?<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-3068 size-full\" src="\&quot;https:\/\/artlist.io\/wp-content\/uploads\/2021\/05\/bc6f7c803bd8d31a38c6f92e462af8bb385e7e6c.png\&quot;" alt=\"hoya nd filter\" width=\"500\" height=\"311\" srcset=\"https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2021\/05\/bc6f7c803bd8d31a38c6f92e462af8bb385e7e6c.png 500w, https:\ \ new-blog.artlist.io\ blog\ wp-content\ uploads\ 2021\ 05\ bc6f7c803bd8d31a38c6f92e462af8bb385e7e6c-300x187.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \ /><\/p>\n<p>source:\u00a0<a href="\&quot;https:\/\/hoyafilter.com\/\&quot;">https:\/\/hoyafilter.com\/<\/a><\/p>\n<p>An ND filter is a filter that you place over your lens to block light from reaching your sensor without impacting the color in your scene. It\u2019s a bit like sunglasses for your lens. The \u2018neutral\u2019 part of ND means they shouldn\u2019t adjust the color, just the brightness. ND filters come in different strengths, which allow you to control the intensity of the light passing through your lens. They are a tool to use in addition to the exposure triangle (aperture, shutter speed and ISO) to help you achieve a good exposure for your scene.<\/p>\n<h2>Why would you use an ND filter?<\/h2>\n<p>When you shoot a video, your\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/how-to-use-frame-rates\/\&quot;">frame rate<\/a>\u00a0dictates your\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/an-introduction-to-shutter-angle-and-shutter-speed\/\&quot;">shutter angle<\/a>\u00a0or shutter speed. You cannot adjust it to control for exposure. You have to rely on aperture, ISO and on your\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/lighting-youtube-videos-a-beginners-guide\/\&quot;" target=\"_blank\" rel=\"noopener\">lighting setup<\/a>\u00a0skills. Should you reach the limits of your aperture or ISO or be shooting outside where you cannot alter the natural light, using an ND filter will give you a level of control over your exposure and creative processes.<\/p>\n<h3>Getting the right exposure<\/h3>\n<p>This translates into a few different scenarios in filmmaking. The first, which we\u2019ve already mentioned, is to get a good exposure in very bright conditions. If your aperture is as small as it will go and the ISO is at its lowest, but the scene is still over-exposed, using an ND filter will block out the excess light and prevent over-exposure.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-3069 size-full\" src="\&quot;https:\/\/artlist.io\/wp-content\/uploads\/2021\/05\/272dc1ab11869862dd1d3de9ac4f3aef434a3945.png\&quot;" alt=\"701\" width=\"701\" height=\"436\" srcset=\"https:\/\/new-blog.artlist.io\/blog\/wp-content\/uploads\/2021\/05\/272dc1ab11869862dd1d3de9ac4f3aef434a3945.png 701w, https:\ \ new-blog.artlist.io\ blog\ wp-content\ uploads\ 2021\ 05\ 272dc1ab11869862dd1d3de9ac4f3aef434a3945-300x187.png 300w\" sizes=\"(max-width: 701px) 100vw, 701px\" \ /><\/p>\n<p>The second situation where you might want to use an ND filter is when you want a\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/shallow-depth-of-field-what-it-is-and-how-to-use-it\/\&quot;">shallow depth of field<\/a>\u00a0for a scene, but the aperture required means it\u2019s over-exposed. Here, an ND filter will reduce the intensity of the light for you and let you set the aperture you want.<\/p>\n<p>If the weather is changeable, but you want to maintain the same aperture in outdoor scenes, then an ND filter (or maybe a few different ones or a variable neutral density filter) will help you manage your exposure consistently.<\/p>\n<h2>Using ND filters<\/h2>\n<p>ND filters come in different strengths. A 1-stop ND filter will allow 50% of the available light to pass through the lens to the sensor. A 10-stop ND filter will let through 1\/1024 of the available light. Put a 5-stop ND filter over your lens, and you will let through 1\/32 of the available light, compared to no filter.<\/p>\n<p>Unfortunately, there isn\u2019t a standard terminology for ND filter grading, and different manufacturers use different terms to describe how much light their filters block. No, they don\u2019t just say \u20182-stops\u2019, and you always need to check carefully. A\u00a0<a href="\&quot;https:\/\/schneiderkreuznach.com\/en\/photo-optics\/b-w-filters\/filtertypes\&quot;" target=\"_blank\" rel=\"noopener\">B+W<\/a>\u00a0ND filter is measured in optical density, and it\u2019s the same for\u00a0<a href="\&quot;https:\/\/hoyafilter.com\/\&quot;" target=\"_blank\" rel=\"noopener\">Hoya<\/a>. It\u2019ll read something like ND 0.6 or ND 2.7.\u00a0<a href="\&quot;https:\/\/urth.co\/\&quot;" target=\"_blank\" rel=\"noopener\">Gobe<\/a>\u00a0ND filters (also known by the\u00a0<em>Urth\u00a0<\/em>brand name) use the filter factor method, which reads ND2 or ND1000. To help you compare stops to optical density to filter factors, we\u2019ve included an ND filter chart.<\/p>\n<p>But before we get to the chart, what sort of strength ND filters do you need? Obviously, it will depend on how bright your shooting conditions are and how much light you need to block. But when you\u2019re starting out, the best ND filters to pick up would range from ND 0.6 to ND 1.2. You can always stack several filters on top of each other to create a stronger filter.<\/p>\n<h2>ND filter chart<\/h2>\n<table border=\"0\">\n<tbody>\n<tr>\n<td><strong>Light reduction in stops<\/strong><\/td>\n<td><strong>Optical density<\/strong><\/td>\n<td><strong>Filter factor<\/strong><\/td>\n<td><strong>Light let through compared to no filter<\/strong><\/td>\n<td><strong>Notes<\/strong><\/td>\n<\/tr>\n<tr>\n<td>0 (no filter)<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>ND 0.3<\/td>\n<td>ND2<\/td>\n<td>1\/2<\/td>\n<td>Lets through 50% of the light compared to no filter<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>ND 0.6<\/td>\n<td>ND4<\/td>\n<td>1\/4<\/td>\n<td>Lets through 25% of available light compared to no filter<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>ND 0.9<\/td>\n<td>ND8<\/td>\n<td>1\/8<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>ND 1.2<\/td>\n<td>ND16<\/td>\n<td>1\/16<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>ND 1.5<\/td>\n<td>ND32<\/td>\n<td>1\/32<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>ND 1.8<\/td>\n<td>ND64<\/td>\n<td>1\/64<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>6 2\/3<\/td>\n<td>ND 2<\/td>\n<td>ND100<\/td>\n<td>1\/100<\/td>\n<td>Be sure to check if this means optical density or filter factor<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>ND 2.1<\/td>\n<td>ND128<\/td>\n<td>1\/128<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>ND 2.4<\/td>\n<td>ND256<\/td>\n<td>1\/256<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td>ND 2.7<\/td>\n<td>ND512<\/td>\n<td>1\/512<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>ND 3.0<\/td>\n<td>1024<\/td>\n<td>1\/1024<\/td>\n<td>Often known as ND1000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Manufacturers often produce their own ND filter charts, and some are even available as apps, which are worth downloading for easy reference.<\/p>\n<h2>Fixed vs. variable ND filters<\/h2>\n<p>You can choose between different types of neutral density filters. A fixed ND filter, as the name suggests, will always block out the same percentage of available light, whatever the conditions. They don\u2019t offer you much flexibility by themselves, but you can stack them to create different densities. A variable ND filter offers you a range of light-blocking properties, which you adjust by twisting a ring on its outside. While they offer you great flexibility, you might find that there can be some distortion or discoloration at the deepest end of the range, so they aren\u2019t quite as far-ranging as you might think.<\/p>\n<p>If you need to control the intensity of the sky in a particular scene, but you know that the exposure of the foreground doesn\u2019t need any adjustment, look for a graduated ND filter. This blocks light on one half of the scene but not the other. The edge can be hard or soft, giving your graduated filter a stark or a smooth transition.<\/p>\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\" 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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="\&quot;https:\/\/artlist.io\/start-now\&quot;">\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="\&quot;https:\/\/artlist.io\/page\/pricing\/max\&quot;">\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<h2>Choosing the right ND filter<\/h2>\n<p><img decoding=\"async\" class=\"alignnone wp-image-3070 size-full\" src="\&quot;https:\/\/artlist.io\/wp-content\/uploads\/2021\/05\/20a6aec4835608580a2e67375b9ba2c9a8558817.gif\&quot;" alt=\"500\" width=\"500\" height=\"354\" \ /><\/p>\n<p>source:\u00a0<a href="\&quot;https:\/\/urth.co\/\&quot;">https:\/\/urth.co\/<\/a><\/p>\n<p>Which is the best ND filter for you? There are some very cheap filters out there, but you might find that their quality is a little questionable. They can induce vignetting or give you color casts. But, you don\u2019t need to spend a fortune, either. There are great value filters in the mid-range price point. I would recommend buying either a variable ND filter or a set of ND filters that you can stack to give yourself options.<\/p>\n<p>Do bear in mind that your filters will need to fit your specific lenses. If you don\u2019t want to buy separate variable ND filters or multiple sets of ND filters for each of your lenses, consider buying a large ND filter and a set of step-up rings that will allow you to affix it to lenses of various sizes.<\/p>\n<h2>ND filters for smartphones<\/h2>\n<p>There are plenty of ND filters available for those\u00a0<a href="\&quot;https:\/\/artlist.io\/blog\/how-to-create-better-videos-with-your-smartphone\/\&quot;">shooting on a smartphone<\/a>, so that you can make the most of their video capabilities. Most of these won\u2019t slot over your actual smartphone lens but work in conjunction with an external smartphone lens. If you\u2019re interested, take a look at\u00a0<em>Moment<\/em>,\u00a0<em>Moondog<\/em>\u00a0or\u00a0<em>Neewer<\/em>\u00a0to start. But just like ND filters for DSLRs, there are lots of ND filters for iPhones and other smartphones out there.<\/p>\n<h2>Final thoughts<\/h2>\n<p>An ND filter is a handy and cost-effective camera accessory that can help you get your video\u2019s exposure right and avoid getting over-exposed footage, making them an essential tool in the arsenal of any content creator and videographer.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You\u2019re filming outside in very bright light. You cannot adjust your shutter speed because it is set to the correct shutter angle for your frame rate. Your aperture is as small as it will go, and your ISO is as low as possible. But your scene is horribly over-exposed. What can you do? You can use a neutral density filter, aka ND filter.<\/p>\n","protected":false},"author":2,"featured_media":3072,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[5],"tags":[217,265,243,128],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Learn How to Use ND Filters | Artlist<\/title>\n<meta name=\"description\" content=\"Filmmaking usually means a fixed shutter speed. 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