Do optical WB filters improve RAW color latititude?

Started Aug 26, 2012 | Discussions thread
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Vitruvius
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Do optical WB filters improve RAW color latititude?
Aug 26, 2012

I know this might get really technical, but I am wondering if an optical color correction filter can enhance a digital RAW file. I know the RAW file is “what the camera sees” without correction. So you can shoot RAW and then you allow the camera to adjust White Balance or you do it yourself later on the computer. The question really is; do you lose more image color information by shifting the post exposure digital image later or by filtering the incoming light with an optical color filter during exposure? I have FL-D and blue filters for incandescent light from the film days. I guess I should do some trials but I wouldn’t know where to start with the technical comparisons.

I am thinking that digital RAW files would have more color latitude if they were pre-white-balanced during exposure by a color correction filter. Not sure though. Thanks in anvance.

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