Helios 44-2 58 mm MIR 1 37 mm Grand Prix Bruxelles obiettivi sovietici, M 42 Canon EF

Helios 44-2 Focal length: 37mm. Focal length: 58mm. Mount: M39 + adapter lens Canon EF moun. Resolution (lines in 1 mm) center / edge: 45/23. Viewing angle: 60 degrees. Scale of diaphragms: from 2 to 16.

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