Lens: M42 screw mount Lens eg. Pentacon, Takumar, Optomax, Zenit, Helios, Carl Zeis lens etc. 1x M42 Lens Adapter. M42-AF LENS ADAPTER TO SONY A MOUNT BODY. Although the lens will fit physically, automatic diaphragm, auto-focusing, nor any other functions will not operate correctly while using this adapter.
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