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Render Alpha as a Black & White Matte
i have a client requesting that I do the key on the green screen footage that they shot and then I just send them a black and white matte of the footage (so they can then use it as a luma matte). they don’t want the footage with an alpha channel. i know this can be done, i’ve never been requested to do this before and I’m curious to find out what the best way to do this is. thanks.
-jm