This adapter makes all Pentax K & PK mount lenses can be used on Micro 4/3 SYSTEM cameras. Pentax K PK Lens to Micro 4/3 M4/3 camera. Compatible Cameras (Including, but not limited to): Compatible for Olympus PEN E-P1, E-P2, E-P3, E-P5, E-PL1/s, E-PL2, E-PL3, E-PL5, E-PL6, E-PL7, E-PL8, E-PM1, E-PM2, PEN-F, Air A01, OM-D E-M1/II/X, E-M5/II, E-M10/II/III, Lumix DMC-G1, G2, G3, G5, G6, G7, G9, G10, Lumix DMC-GF1, GF2, GF3, GF5, GF6, GF7, GF9, G80/85, G90/G95, DMC-GH1, GH2, GH3, GH4, GH5/S, DMC-GM1, GM5; DMC-GX1, GX7, GX800/850, GX8, GX80/85, GX9,AG-AF100/104 Mirrorless Digital Cameras. There are no electrical contacts in the adapter ring, exposure and focus has to be adjusted manually. Please note: Infinity focus position：the position of the infinity mark 【∞】of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity. LENS Adapter