This lens mount adapter is mainly used for connecting the " L39 Mount Lens" to "cameras with 4/3 mount". It is able to Focus Completely manual control, manual focus and manual exposure. There is no electrical connection on the so diaphragm control of the lens is set manually. Equipped with lock & stop pin. Suitable For: E-P1 E-PL1 E-P2 E-PL2 E-P3 E-PL3 E-PL5 E-PM1 E-PM2 OM-D E-M5 G1 G3 GF1 GF2 GF3 GF5 GX1 GH1 GH2 GH3