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Forum: Optics Theory - 04-03-2019
Replies: 57
Views: 3,179
Posted By Larry Cloetta
Thanks. Again.

Thanks. Again.
Forum: Optics Theory - 04-03-2019
Replies: 57
Views: 3,179
Posted By Larry Cloetta
Marty, Are there any lenses with aspheric...

Marty,

Are there any lenses with aspheric elements which don’t exhibit onion ring out of focus highlights, that you know of?

I always thought it was just due to the asph, somehow, so I learned...
Forum: Optics Theory - 04-03-2019
Replies: 57
Views: 3,179
Posted By Larry Cloetta
I understand all the responses, yet experience...

I understand all the responses, yet experience has meant this is still the first thing that I think of when I see “aspheric elements” mentioned in a lens design. For me, it means bottom of the 9th,...
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