GOI Mir-3 65mm OB173 prototype

1957, “State Optical Institute” (GOI) Leningrad, USSR

GOI Mir-3 3.5/6.5cm OB173 medium format wide angle lens prototype 1957 front

Wide angle lens prototype for medium format Kiev 60 camera made by the “State Optical Institute” (GOI) Leningrad, USSR.

The production version of this lens was made by the Arsenal factory in Ukraine.

Photo credit: © Leitz Photographica Auction

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