D80 x D7k IQ tests

Started May 28, 2011 | Discussions thread
eNo
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Re: D80 x D7k IQ tests
In reply to rhlpetrus, May 29, 2011

rhlpetrus wrote:

I was using A for WB and each camera was doing something different, D7k closer to real colors but still a bit too cold. At 5200, even though not exact, gave pretty good white on D7k and a slight warm cast on D80. I thought they would produce very close colors, not exactly. The lens, a good black, turned out a bit on the green side on the D80. This is pretty common for Nikons actually, I tried changing temperature in CNX2 but could't really change that into a neutral white, it just changed but never got like D7k.

Sounds like you had similar issues to what I had back in the day trying to math D80 and D90 colors. I eventually gave up, but I think today with gray card reference shots I might get closer (see this article for an example: http://imagesbyeduardo.com/main/2011/05/25/capturing-2d-art-color/ ).

Auto-WB on the D80 is often flaky (never trusted it any more than I trusted its matrix metering), so I'm not saying rely on it. I am seeing that the D300 and D7000 are much better at Auto-WB for the situations I showed in my post today (overcast window light, mixed window light and flash, predominant flash) -- though I'm sure other situations may not be as reliable. The gray card trick (insert one in one of the photos in your shoot, for each camera, and use it to balance shots for that camera) is a pretty good one. Ultimately, I fear I'm going to have to dive into the complications of using a Colorchecker with color profiles in Adobe Camera Raw. Just got done installing LR3 and CS5...

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