ITEM NAME:Pk-M4/3 Adapter Ring For Pentax Pk Lens To Micro 4/3 M43 Camera Body For Ol Q4C5 Pk-M4/3 Adapter Ring For Pentax Pk Lens To Micro 4/3 M43 Camera Body For Ol Q4C5 100% Brand New & High Quality Solid metal mount lens adapter allows Pe-ntax PK lens use on Ol-ympus/Pa-nasonic micro 4/3(Micro Four thirds) camera body. Focus infinity Meter Exposure Functions Lens lock / release and stop screw Colour: Black Material: aluminum There is no ROM connection on the ring so diaphragm control of the lens is set manually It is possible to use macro rings and other accessaries Fine finishing, Install, remove and operate lens smoothly Notice: Although the lens will fit physically,automatic diaphragm,auto-focusing,or any other function will not operate correctly while using this adapter. In this case "Stop-down mode"will need to be used when metering since the lens doesn't have the ability to have its apeture controlled by camera body.You can shoot with manual mode or apeture priority mode. Suitable For: Camera: Pa-nasonic: G1, GH1 GF1, G2 G10 Ol-ympus: E-P1, EP-2, E-P1L LENS: Fits Pe-ntax PK lens Package Including: 1* Lens Adapter Ring.Although the lens will fit physically,automatic diaphragm,auto-focusing,or any other function will not operate correctly while using this adapter. 1 Lens Adapter Ring. Lens lock / release and stop screw.