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]
Search Results for: star eater
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]
Siemens Star “pillows” — part II
This is a continuation of the development of a simple, relatively foolproof, astigmatism, field curvature, and field tilt test for lens screening. The first post is here. In the previous post of this series, I simulated the “pillows” that appeared in the Siemens Star images made with the Fuji GFX 50S and the Fuji 110/2… [Read More]
Sony a9 eats stars
This is the fourth in a series of posts on the Sony a9. The series starts here. I’ve been asked to look into the digital lowpass filtering in the Sony a9 as a function of exposure time, to see it it has the same “star-eater” filtering beginning as 4 second exposures that was introduced to… [Read More]
Sony a7RIV EDR in continuous, compressed mode
This is one in a series of posts on the Sony alpha 7 R Mark IV (aka a7RIV). You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. There’s a drop-down menu there that you can use to get to all… [Read More]
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