MIR-1B f2.8/37mm Grand Prix Brussels Helios 44-2 f/2/58mm + adattatore Sony Nex

MIR-1B 37 mm Helios 44-2 58mm Soviet lens. Helios 44-2 Mount: M39 + adapter lens SONY E NEX. Focal length: 37mm. Focal length: 58mm. Filter mount: M49x0.75. Viewing angle: 60 degrees. Scale of diaphragms: from 2 to 16.

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