by Larry Maupin <larrymaupin@[EMAIL PROTECTED]
>
Feb 21, 2007 at 03:55 AM
in article 1171740763.632578.109330@[EMAIL PROTECTED]
at chuck.streb@[EMAIL PROTECTED]
wrote on 2/17/2007 1:32 PM:
> I have a photo where a person was shot with a key light of f8.
> There is also a fill light. What I want to do is figure out what the
> setting was on the fill light by looking at the solid color ****rt
> histogram. The ****rt is the same color all the way around. I converted
> the photo to CIE color / Lab color and am looking at the Lightness.
> When I do a histogram on the dark side and on the light side I get
> these numbers. 126 for light and 24 for the dark.
>
> My question is what is the stop for the fill light, if the key was f8.
>
> Regards
> Chuck
>
Sounds like a rough road to get from here to there.
I'd suggest using a good light meter and reconstruct your scene and
lighting
setup. Make notes as you take pictures and review your histogram for each
shot. This method should provide the info you need.
Larry Maupin
Maupin Photography
