This FOTGA Adapter Allows Canon EOS EF Lens to Olympus/Panasonic Micro 4/3(Micro Four thirds) Camera Body. Features: Canon EF EF-S lens to Olympus/Panasonic micro 4/3(Micro Four thirds)adapter Make EF EF-S mount lenes can be used on Micro 4/3 System cameras 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 It allows to infinity focus Material: Anodized Aluminum metal Color: black 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: Lens: Canon EF EF-S Mount lens For Panasonic G1 G2 G3 G5 G7 GH1 GH2 GH3 GH4 GF1 GF2 GF3 GF5 GF6 GF7 GF7K GM1K GM5 GX1 GX2 GX7 GM1 GM5 For Olympus E-P1 E-P2 E-P3 E-P5 E-PL1 E-PL2 E-PL3 E-PL5 E-PL6 E-PL7 OM-D E-M1 E-M5 E-M5 Mark II E-M10 E-PM2 E-PM1 Package included: 1x Lens mount adapter.