This is the fourth 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 received questions about the way that I’m testing Sony cameras to determine under what conditions they employ… [Read More]
Sony a7RII and a7RIII star-eating under the microscope
This is the third 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. In a comment on the preceding post, Drew Geraci said that there were differences in the dark-field frequency responses… [Read More]
A visual look at a7RIII star-eating
This is the second 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. Several people have said that they aren’t getting much out of the graphs that I posted yesterday showing that… [Read More]
The Sony a7RIII eats stars
This is the first in a series of tests of the Sony a7RIII (and a7RII, for comparison) spatial processing that is invoked when you use a shutter speed of longer than 3.2 seconds. To see the other posts in the series, scroll to the bottom of this page (below the comments) and you see the… [Read More]
D850 vibration with the Nikon 200/2
This is the 25th post in a series of Nikon D850 tests. The series starts here. I did a test of the effect of vibration on image sharpness in the D850 with an 85 mm lens here. There were a few mild surprises, but nothing earth-shaking. I wanted to try the Nikon 200 mm f/2 VR I… [Read More]
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