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 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 Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Lens lock / release and stop screw 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 Meter Exposure Functions & High Quality