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Photography meets digital computer technology. Photography wins -- most of the time.

You are here: Home / Archives for a7RIII

Star-eating test methods

November 22, 2017 JimK 9 Comments

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]

a7RIII

Sony a7RII and a7RIII star-eating under the microscope

November 21, 2017 JimK 10 Comments

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]

a7RIII

A visual look at a7RIII star-eating

November 21, 2017 JimK 9 Comments

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]

a7RIII

The Sony a7RIII eats stars

November 20, 2017 JimK 28 Comments

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]

a7RIII

Nikon D850, Sony a7RIII design goals

October 31, 2017 JimK 20 Comments

This is the fourth post in a series of Nikon D850 tests. The series starts here. In addition, you should be able to find all the posts about the 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 the… [Read More]

a7RIII, D850

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Articles

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  • Lens screening testing
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      • Bad and OK 200-600 at 600
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      • Good and bad 25mm FF lenses
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      • Marginal 18mm lens
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