What is wrong with manual focus?

Started Apr 16, 2013 | Discussions thread
nelsonal Senior Member • Posts: 2,464
Re: What is wrong with autofocus?

Yep, the expensive part of lenses is buying the optic glass, and getting 12-40 surfaces polished radiused to tolerances of the design, and polished to within a wavelength of light.  After that everything else is small potatoes.

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