Seidel Aberrations--- This is why compromises have to be made when designing progressives:
http://www.quadibloc.com/science/opt0505.htm
Seidel Aberrations--- This is why compromises have to be made when designing progressives:
http://www.quadibloc.com/science/opt0505.htm
thats a very concise explaination of higher order abberrations, thank you for that
June 2020- Zeiss lens options:
https://www.optiboard.com/forums/sho...n-for-a-change
I got a feeling in September I may be referencing this often.
https://www.optiboard.com/forums/sho...765#post559765
This is a good reference thread on how tinting is done on different materials. (Warning: colorful language)
How good is the top coat of an AR?
https://www.optiboard.com/forums/showthread.php/72046-Hoya-lenses-getting-dirty-quickly
Added this thread 01/29/2021 Insufficient uv curing of coats with picture of lens and test for lab techs:
https://www.optiboard.com/forums/showthread.php/66245-OptiBoard-Hall-of-Fame
Last edited by Uncle Fester; 01-29-2021 at 04:52 PM.
https://www.optiboard.com/forums/sho...l=1#post418640
This thread is incomprehensible, but it is one of but many threads that memorialize the greatness that was Darryl Meister.
https://www.optiboard.com/forums/sho...l=1#post172064
Progressive lens "drop" doesn't mean "butter fingers". Who knew?
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