HELIOS 44m 2/58mm Russian Soviet USSR Lens M42 with Adapter Micro 4/3 (MFT). Technical Information Helios 44m Lens mount: Micro 4/3 MFT / M42. M42 screw mount Lens to Micro 4/3 MFT mount adapter. Panasonic Lumix DMC G1, GH1, GF1, G2, GF2, GH2, G3, GF3, G10, etc.
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