This is the 70th in a series of posts on the Fujifilm GFX-50S. The series starts here. For the nonce, I’m done with my little sprint of evaluating the Sony 12-24. I’ll return to the work I was doing on the Fuji 110/2 and the 23/4 on the GFX. Today’s post is about bokeh, and… [Read More]
Search Results for: sony 12-24
a7III exposure management example
This is one in a series of posts on the Sony a7III. 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 the posts in this series; just… [Read More]
Interpreting Siemens Star Fourier transforms
A week ago I posted some images of Fourier transforms of Siemens Star photographs, and some interesting discussion ensued. Jack Hogan, one of the participants, has written up a guest post showing an interpretation of these plots. I am grateful to Jack for taking the time to do this. Take it away, Jack: A few… [Read More]
Off-axis lens screening — how big a target?
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. I’m getting ready to wrap all these posts on lens screening up into a paper that describes an entire lens test procedure, but there are a few things… [Read More]
Fuji 23/4 on GFX, Nikon 14-24/2.8 on D810
This is the 62nd in a series of posts on the Fujifilm GFX-50S. The series starts here. A few days ago, I compared the 23 mm f/4 Fuji lens on the GFX to the Zeiss Batis 18 on the Sony a7RII. The Batis, while looking like a fine lens in its own right, didn’t come… [Read More]
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