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Forum: Canon, Nikon, Sony, and Other Camera Brands 06-05-2014, 06:15 PM  
World’s fastest E-mount lens (f/0.85) now shipping in Germany!
Posted By Digitalis
Replies: 6
Views: 1,768
Too bad the optical transmission will probably be comparable to a f/1.4 lens. Any idiot can design a lens with a f/0.85 aperture but to actually get the lens to transmit greater than 95% of the light that passes through it is the tricky part.
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