with a7 by koji kawakami

koji kawakami | all galleries >> Lens Modifications >> Contax G-Planar 45mm to M-mount conversion > with a7

with a7

The lens with 17-31mm helicoid sits at its infinity focus position without extending
the helicoid and the lens' F-stop marker at the top, in order to do so I inserted
the C/Y mount metal (from a broken Yashica FR II, a gift) between the helicoid and
E-mount ring(CMHT). With this helicoid, its MFD is 0.27m on E-mount cameras.

E-mount ring(CMHT): search for a thin M42->E ring/converter at eBay, $3~20.
CMHT: Camera Mount for Helicoid Tube

other sizes: small medium large original auto

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