This is the ninth 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. Bill Claff, who I greatly respect, commented on yesterday’s post to the effect that he would look at a more… [Read More]
a7RII hot pixel frame-to-frame consistency
This is the eighth 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. Before I conducted the tests on which I’ll report further down the page, I had thought that long-exposure hot… [Read More]
Testing for a7RIII star-eating by direct search
This is the seventh 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. Up to now, my tests for the presence or absence of the “star-eating” Sony spatial filtering algorithm have been… [Read More]
a7RIII star-eater green channel histograms
This is the sixth 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. A reader made this comment to an earlier post. My analysis of raw files and the “pixel pairing” artifact… [Read More]
a7RII star-eating histograms
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]