
I bought this adapter to attach an M42 screw mount lens to my Micro 4/3 camera. One thing was crucial: the adapter had to have a flange that pushes the aperture pin in, otherwise I couldn't manually change the aperture when the lens is mounted on the camera. This adapter worked perfectly. The lens was mounted correctly so that all the information was visible from above, the lens to mount connection and the mount and housing were perfectly tight but not too tight. The flange pressed onto the pin of the hole with no problem. The adapter is made of metal and looks well made. highlighted.

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