Fine finish black anodized aluminium metal design with a brass silver ring the LMA-PK(A)_M43 lens mount adapter allows Pentax K lens to fit on any Micro Four Thirds camera body such as Panasonic G1, GH1,GF1 ,G10,G2,GH2,GF2 and Olympus PEN E-P1, E-P2, E-PL1 and E-PL2. This unique adapter is equipped with a "ON/OFF" aperture control ring for user to set the designed aperture. It is manual and does not provide auto-focusing and auto-diaphragm therefore, use the lens in the fully manual exposure mode (M), or in the aperture priority (A) mode. The Focus can be infinity.‍