165mm f6.8 Angulon has a Schneider spec image circle of 300mm @ f16 (min for 8x10 is 312mm), too small for 8x10, might sort of cover at f45. Do use this lens on 5x7 with good results.
Tiny lens that does cover 8x10, Protar V f18 advertised as 110 degrees of image circle. Owned, tested and passed on after one sheet of 8x10 color transparency. Did not meet performance expectations. These were really low cost at one point, does cover 8x10, optical performance is not even close to a modern Biogon type_ish wide angle lens.
Bernice
Bernice
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