Render resolutions for different aspect ratios

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Old 12 December 2012   #1
Render resolutions for different aspect ratios

Can someone tell me what the high and low render resolutions are for these aspects

4:3 (1.33:1) = low 640 480
, high ?
16:9 (1.77:1) HDTV Widescreen = ?
1.85:1 Cinema = ?
2.35:1 Cinemascope = ?
 
Old 12 December 2012   #2
4:3 (1.33:1) = "High" depends on your needs, just multiply it, e.g. by 3: 1920x1440
16:9 (1.77:1) HDTV Widescreen = 'small' HD: 1280x720 / full HD: 1920x1080


Cinema & Cinemascope is usually a cropped 4K image. 4K: 4096x3112
 
Old 12 December 2012   #3
2K Academy at 1.85:1 is typically 2048x1107. But it's much more common for things to be done at 1.77:1 (2048x1157) which is much closer to 16:9 HD formats and easier to make 4:3, 1.85 or 2.39 versions which don't lose too much in the way of image quality or results in awkward pan and scan compositions.

2K Cinemascope at 2.35:1 would be 2048x871, but it's far more common for films to use 2.39:1 which would be 2048x857.

4K is still very rare, the majority of films you see will more commonly be finished at 2K or HD resolutions.

The numbers given by feed3r for 4K Cinemascope would actually be for a 4K anamorphic image which has a pixel aspect ratio of 2. Un-squeezed the image ratio would end up being 2.63:1 on screen. Again it's more common for things to be done at 2K which would use a 2048x1556 image.
 
Old 12 December 2012   #4
Just to add D-Cinema specs are 1998x1080 for Flat, and 2048x858 for Scope.
 
Old 12 December 2012   #5
So far this is what I have gathered..

4:3 (1.33:1) = low 640 480
, high 1920x1440
16:9 (1.77:1) HDTV Widescreen = 'small' HD: 1280x720 / full HD: 1920x1080
1.85:1 Cinema = 2048x1107
2.35:1 Cinemascope = 2048x871 (more common to use 2.39:1 which would be 2048x857)
D-Cinema What is the Aspect 16:9 ? for flat 1998x1080 and for Scope 2048x858


Does anyone know of a good web site that shows these aspects drawn out next to each other along with what we CG Artist need to render at?
 
Old 12 December 2012   #6
Originally Posted by mettam: Does anyone know of a good web site that shows these aspects drawn out next to each other along with what we CG Artist need to render at?


Wikipedia has all this type of information. Here's a place to start... http://en.wikipedia.org/wiki/Digita...y#Video_formats

How do you plan to show your rendered animations? On a computer, smartphone, tablet, television, film-projection, digital-cinema?

If you don't know the answer to that, then rendering to either 2K (2048x1157) or Full HD (1920x1080) is a safe bet. You can either letter-box or pillar-box your render to achieve the aspect-ratio you want and you can resize it down to things like Internet and SDTV formats while maintaining a high quality original copy.
 
Old 12 December 2012   #7
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