This is the fifth in a series of posts on the Sony a7RIII (and a7RII, for comparison) spatial processing that is invoked when you use a shutter speed of longer than 3.2 seconds. The series starts here. I have been showing the effect of the Sony a7RIII’s, and, for comparison, the a7RII’s hot-pixel suppression algorithm (aka… [Read More]
Search Results for: histogram
Nikon D850 histograms vs ISO setting
This is the second post in a series of Nikon D850 tests. The series starts here. You can tell a lot about how a camera works with the lens cap on. In this post, I’m going to take a look at the histograms of the entire frame of D850 dark-field images, all at 1/1600 second (and… [Read More]
Don’t use Lr/ACR histograms to judge raw file exposure
I have long argued that the best way to judge the exposure of a raw file is by looking at the raw data, so the title of this post should come as no surprise. However, I have recently been looking at a raw file that demonstrates this to an extent that surprised me, and I… [Read More]
Sony a7RII FW 3.3 raw dark-field histograms, ISO 3200-25600
Yesterday, I showed you histograms of raw dark-field images from the Sony a7RII with release 3.30 firmware with ISO’s between 100 and 1600. The red and blue channels looked pretty similar to the FW 1.0 images I made last year. However, the green channels did not. The uncompressed green channels were more ragged, and the… [Read More]
Sony a7RII FW 3.3 raw dark-field histograms, ISO 100-1600
A little over a year ago, I posted dark-field histograms from the Sony a7RII with FW 2.0, which was the first firmware release to support uncompressed raw. Today I’m doing a similar post for FW 3.3. You might want to open up both posts in separate tabs to see the differences. The green histograms are… [Read More]
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