Good questions. I don't know the answers but I do keep my IT8 target in
the box it came in so I don't think it's going to fade.
Chuck Norcutt
On 10/18/2010 11:29 PM, C.H.Ling wrote:
> Question, how long does the IT8 target last (fading)? What is the accuracy
> of the non individually measured IT8 target?
>
> C.H.Ling
>
> ----- Original Message -----
> From: "Moose"<olymoose@xxxxxxxxx>
> My main point in this particular regard is simply that an IT8 target and ICC
> profiling is a cheaper, more accurate, more
> standardized solution.
>
> If the mixed lighting is fairly even across the subject, ICC profiling and
> correction should do a good job, as it makes
> no color temp assumptions, simply maps color points. If lighting is
> significantly uneven, the classic solution is to be
> a real pro and create your own lighting. Many years ago, I was a subject in
> such a situation of mixed light, and the
> photog. simply fixed it with his own.
>
> I suppose you could photograph an IT8 target in the brightest area of each
> kind of lighting, create separately corrected
> layers and do some mask painting ...
>
> Moose
>
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