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How to fix astigmatism from shooting thru aquarium glass at an angle?

Started Nov 10, 2019 | Discussions
bokemon Regular Member • Posts: 437
How to fix astigmatism from shooting thru aquarium glass at an angle?

Hello folks,

Doing some aquarium macro photography.

The shots come out ok when the camera is perpendicular to the glass, but when it is off angle (even a little), then I get problems with astigmatism and chromatic aberrations.  Is there some trick to fixing this, e.g. some wedge-shaped piece of glass that cancels out these problems?

IT seems to be a bigger problem on my full frame camera vs cell phone, so maybe because the the FF camera has a BIG aperture and the light enters from more angles / places?

 bokemon's gear list:bokemon's gear list
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