![]() Early television systems were 5:4 to provide the maximum rectangle obtainable on the circular picture tubes then in use.^^ Wide screen television has an aspect ratio of 16:9. The current television aspect ratio is 4:3. Widescreen cinema presentation systems may have aspect ratios from 1.65:1 up to 2.55:1. With masking this is projected at a ratio of 1.37:1). The standard 1:33 frame produced an image with an aspect ratio of up to 2.66:1, which was later reduced to 2.35:1 to accommodate an optical soundtrack. The 256:135 (1.90:1) aspect ratio is the FULL container aspect ratio of a Digital Cinema Initiatives (DCI) projector. For example, an aspect ratio of 1.33:1 means the images width is 1.33 times the size of its height. Comprised of two numbers separated by a colon, the first number denotes the image’s width and the second its height. 16:9 aspect ratio screens are a perfect match to today's HD video projectors. Aspect ratio is a numerical formula that describes the relationship of an image’s width to its height. ![]() The long established film aspect ratio is still retained for narrow gauge film is 4:3 (or a ratio of 1.33:1. So which aspect ratio is best for you Today, the most commonly sold aspect ratios screens for home theaters are 1.78:1 (16:9) and now growing 2.35:1 (CinemaScope). The height is taken as unity (expressed as xx:1). It only had to use one projector to get the image on the screen, so it was preferable to Cinerama. ![]() While 1:1, 4:3 and 16:10 aspect ratios are ideal for. CinemaScope used aspect ratios of 2.35:1 to 2.66:1. The ratio of the width to height of the picture image projected on the screen or printed on the film. Formatting your projectors aspect ratio with a matching format of your projection screen is important. ![]()
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