Is the resulting lens rotationally symmetric? | Hacker News

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		amelius on July 6, 2019 \| parent \| context \| favorite \| on: Goodbye Aberration: Physicist Solves 2,000-Year-Ol... Is the resulting lens rotationally symmetric?

topspin on July 6, 2019 [–]

The formula computes ZbRa; z axis vs radius. So yes, I believe this is symmetric around the center.

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