Filmscanners mailing list archive (firstname.lastname@example.org)
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: filmscanners: Re: autolevels was re: filmscanners: Vuescan blue anom aly
At 04:43 PM 7/26/01 +1000, Rob Geraghty wrote:
>OK, let me rephrase the question slightly - isn't the intention of the black
>and white point to define where the minimum and maximum brightness points
>are? If so, why is a point of sun reflection in a photograph not a good
>point to use for the white point? Because it's not representative of the
>majority of the image?
I think the presumption is that these catchlights
are blown out, and therefore not representative
of any real measurements.