I just picked up a lens with the following writing: Bausch & Lomb-Zeiss Protar, Series V Pat. Jan 13, 91. 8x10 2001790
My recollection is that Protar V lenses cover 110 degrees. Can anyone confirm? D oes anyone have old literature stating what the exact focal length this lens is, or any other detailed info? I love to play with vintage lenses and like to find out what I can about their design, history, etc. I will be testing the lens soo n and am expecting enormous coverage. The seller stated he thought the focal len gth was in the 210mm range, which would give this lens a shot at 8x20! Unfortuna tely, my current 8x20 project camera can't focus such a short lens at infinity. Time to rebuild.
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