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Optics Theory - This forum is aimed towards the TECHNICAL side of photographic OPTICS THEORY. There will be some overlap by camera/manufacturer, but this forum is for the heavy duty tech discussions. This is NOT the place to discuss a specific lens or lens line, do that in the appropriate forum. This is the forum to discuss optics or lenses in general, to learn about the tech behind the lenses and images. IF you have a question about a specific lens, post it in the forum about that type of camera, NOT HERE.

View Poll Results: What's in an ASPH?
It's a better type of lens 8 13.79%
Marketing B.S. only 5 8.62%
100% aspheric lens elements, no more spherical aberration or distortion for me! 7 12.07%
a small design tweak that *might* give a sharper image with less elements 38 65.52%
Voters: 58. You may not vote on this poll

 
 
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What does ASPH mean to you?
Old 02-04-2019   #1
markbakovic
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Join Date: Jan 2019
Location: Sydney
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What does ASPH mean to you?

I don't mean "Is the Leikor Bloktron 42mm 1.3 ASPH a good lens?", I mean what do you understand about "aspheric" *photographic* lenses? What are they for AFAYK? Are there pros and cons? What level of insight would you need to part with 2x the cash? 4x? Shut-up-and-take-my-money... umm... 'times'?
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