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Forum: Optics Theory - 02-06-2019
Replies: 57
Views: 3,194
Posted By pgk
The simplest implication is that the design is...

The simplest implication is that the design is relatively new and that the lens has been designed with an aspherical surface to improve it in some way (I know that this might mean improve its...
Forum: Optics Theory - 02-04-2019
Replies: 57
Views: 3,194
Posted By pgk
Aspherical lens surfaces are used in all sorts of...

Aspherical lens surfaces are used in all sorts of applications, some expensive, some not. Most are now molded but in the past they were ground which was far more expensive. They have advantages for...
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