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Activity Forums Adobe After Effects Color Correction Question

  • Color Correction Question

    Posted by Rob on January 11, 2006 at 9:41 pm

    Does anyone know of an effect in After effects or a plugin that will allow color correction in photography stop equivalents? For example, if I am color correcting using levels and I want to drop my adjustment by a stop is there something that can do this?

    Thank You

    Rob replied 20 years, 8 months ago 4 Members · 6 Replies
  • 6 Replies
  • Chris Smith

    January 11, 2006 at 11:29 pm

    Well a stop is either half or twice as much. So if you did an overall brightness adjustment, drop the value by half.

    If you are using levels, it’s not so cut and dry because it depends on how you want it darkened. Do you want to drop the gamma? Crush in the blacks?

    Why do you need to change it by exactly by a stop as opposed to what looks good?

    Chris Smith
    https://www.sugarfilmproduction.com

  • Rob

    January 12, 2006 at 10:51 pm

    I usually use levels for my color corrections and I go for what looks good, having done that, when a supervisor/DP looks at a plate with a color correction applied to it. They like the plate lets say, but then will ask to take it back a stop, (keeping in mind that the supervisor is coming from a tradtional photo background). I can drop my gamma by half or double, etc, or another situation might be if I need to wedge a plate and I can drop the “exposure” by stops or half stops. I guess my question is mainly out of curiosity as to whether there is something such as a levels that works in stops? I know eLin has an eWedge effect that works in stops for wedging, provided you are in eLin space.

    thanks for the reply
    Rob

  • Steve Roberts

    January 13, 2006 at 12:11 am

    That might be a good feature: a “units” switch, sort of like RGB vs. HSL. Sort of.

    If you think in stops, it could allow you to work more quickly and intuitively.

    Steve

  • Barend Onneweer

    January 13, 2006 at 3:59 pm

    Actually, I think that’s what Au Naturel’s exposure plugin does:

    https://www.buena.com/aunaturel.shtml

    Bar3nd

    Forum COWmunity leader for:
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  • Steve Roberts

    January 13, 2006 at 4:10 pm

    Ah. Lovely.

    Thanks,
    Steve

  • Rob

    January 13, 2006 at 5:35 pm

    Thats great! Something like this is exactly what I was looking for.

    Thanks to everyone for your responses!
    Rob

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