In a comment to this post, a reader asked me to compare the ad hoc color balance adjustment technique that I developed a few days ago with the UniWB technique. I’d not been aware of that approach. It turns out the goal is the same: to get the in-camera histogram to approximate the true raw… [Read More]
ETTR testing, part 7
I’ve tested the D4 in other lighting conditions, with other subjects, with success so far. I’ve also attempted correcting the Sony NEX-7 using the same technique. The correction turned out to be remarkably similar (or maybe not remarkable; Nikon uses mostly Sony chips in their best cameras) to the D4: 5000K, +6G. The NEX-7 color… [Read More]
ETTR — the return of the spotmeter?
From the mailbag: With a hint and some assistance from George Jardine, I finally figured out how to optimize exposure (ETTR). The key was George’s statement that he spot metered for the highest significant tone, and placed it just under clipping. As you have found, the histogram lies and matrix, evaluative, center weighted metering is… [Read More]
Testing for ETTR, part 6
I’m pretty happy with the image settings I came up with to make the D4 in-camera histogram approximate the real raw histogram. Using those settings, however, means not having the convenience of the D4’s exemplary automatic white balance. I guess I’ll use it with fixed white balance when I really care about getting the ultimate… [Read More]
Testing for ETTR, part 5
Well, I just spent the whole afternoon on this, but I’ve now got a set of settings for the D4 that give a pretty good approximation to the real raw histogram. The white balance was the problem. Here’s my reasoning; I’m not sure of it yet, but it seems to make sense so far. The… [Read More]
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