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5 0 1921
Owner reviews: Sears MC 135 mm f/ 2.8 mod. no. 202.736950
A cult lens known for its "aura" in macro setting at f2.8 under non-direct light due to a defect in one glass element:
pretty hard to find
not super sharp
It isn't the world's best or even close but fun because of the weird extra-focusing front element
some copies have an extra "Ricoh pin"