OK, I'm over-ruled.. I still think we're missing some lines and pixels someplace.
The fact that we're still looking at SD makes me sad.
Steve Hullfish
contributor: www.provideocoalition.com
author: "The Art and Technique of Digital Color Correction"
On Jan 25, 2012, at 5:14 PM, Mark Spano wrote:
> Steve,
>
> 480 lines of resolution is SD. The math there is that .9 ratio times 720
> equals 648 but that is representative over 486 lines. 640 is the best math
> for 4x3 to get 480. (640 *3 / 4 = 480). And we're talking about square
> pixels, so that math works out perfectly.
>
> The artful look of the square is the best reason I've ever heard why anyone
> would shoot this way. But possibly the fear of downconversion softness is
> why they shot SD for an SD spot.
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