This is the first of a four-part series on lenses which attempt to control bokeh. If you want to easily navigate to the other parts, at the bottom of this post (below the comments) you’ll find pingback links to each of them. Bokeh is a term, originally used in Japan, that describes a camera/lens system’s… [Read More]
Archives for 2016
Refining the Q&D lens tilt test
This is part of a series about developing a quick qualitative lens tilt test. The series starts here. I thought more about the target for the lens tilt test, and realized that I had the wrong one. The target that I was using was optimized to give large amounts of image contrast over a range… [Read More]
Towards a quick, qualitative lens tilt test
In this thread on DPR, the original poster reported some creative and useful work on quantitatively measuring filed flatness and tilt. During the discussion, he made reference in passing to using the focus peaking feature of some mirrorless cameras to rapidly check for lens tilt. I was intrigued. In the past, I had some success… [Read More]
More slit scan experiments — varied weather
This post is part of a series about some experiments I’m doing combining space and time in slit scan photographs. The series starts here. I am experimeenting with the slit scan technique with different weather conditions.
More slit scan experiments — horizontal slits
This post is part of a series about some experiments I’m doing combining space and time in slit scan photographs. The series starts here. Yesterday, I showed a bunch of renderings of the same image sequence using a vertical synthetic slit. I’ve set up the program to simulate a horizontal slit, and here are some… [Read More]
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