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Forum: Newbie Help Aug 26, 2007, 3:05 PM
Replies: 9
Views: 1,822
Posted By VTphotog
Lenses and lens elements are mostly ground as...

Lenses and lens elements are mostly ground as segments of a sphere, and act as magnifying or reducinglenses. Some lenses use Aspherical elements to help correct for spherical aberration.As an extreme...
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