Description: This electronic lens adapter is specially designed for existing 4/3 four thirds lens to micro 4/3 cameras for Olympus Pen/Panasonic Lumix. With electronic pins, it permits auto focusing. Compatible with cameras for Olympus MMF-1 MMF-2 MMF-3. Replace for Panasonic DMW-MA1 Lumix G Four Thirds DSLR lens mount adapter. High-technics treatment on the contact pins,permitting perfect signal transmitting between lens and camera. Comes with front & rear caps for protecting and 1/4" tripod mount hole. Specification: Front mount: for 4/3 Mount Rear mount: for Micro 4/3 Mount Item Size: 6.5 * 6.5 * 2.5cm Item Weight: 80g Package Size: 11*10*5.5cm Material: Aluminum alloy Camera: for Micro 4/3 Mount Camera Lens: for OM 4/3 Mount Lens Suitable for Olympus PEN E series camera, e.g. E-P1, E-PL1,E-PL3,E-PL5 etc.and for Panasonic Lumix G series camera, e.g. G1, G2, GF1,GF5 etc. Blackmagic BMPCC(Pocket Cinema Camera), Pocket MFT KODAK Pixpro S-1 Package Includes: 1 Piece Lens Mount Adapter 1 Piece Front Cap 1 Piece Rear Cap Note: It not available for Manual Focus Camera and Lens. It's need the camera lens has auto focus function