Crosswords0 min ago
Photography / Camera lenses
1 Answers
What is an 'aspherical' lens and what does it do that makes it different from a normal lens?
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For more on marking an answer as the "Best Answer", please visit our FAQ.Although wikipedia isn't alway correct it looks pretty good in this instance
http://en.wikipedia.org/wiki/Aspheric_lens
http://en.wikipedia.org/wiki/Aspheric_lens