EF-EOS M Auto Focus Lens Mount Adapter!!For Canon EF/EF-S lens to Canon EOS-M Series CamerasSpecifications:*Weight: 171g*Model: EF-EOS M*Compatible lens: Canon EOS EF/ EF-S lens*Compatible camera: Canon EOS M Mount Camera*Focus Mode: Auto Focus*Base Screw: CU1/4” Package Listing:VILTROX EF-EOS M Lens Adapter More Details:New Electronic Technology:VILTROX utilizes the new electronic technology, which can make the aperture exactly being aligned via the mount adapter,and adjusted for auto-focus.:) New Electronic Technology enhances the convenient of controlling the Canon EF series lens on Canon EOS M micro-single camera bodies in the electronic way. Good Quality Material::) This lens has a aluminum alloy made body, zinc alloy dis casting core, which will make the adapter strong, powerful and durable.:) Using Gold-plated pins, it will bring the great conductivity of signal transmitting.:) Ring at the bottom with 1/4 screws, which can easy installed on the tripod or other fixed bracket. AF Auto Focus::) EF-M Adapter Ring support auto focus and the focusing speed is fast, almost the same as that of the original lens.:) It can track the subject and lock it flexibly. Support EXIF Signal Transmission::) Due to Electronic Metal Contacts, you can check the shutter, aperture, ISO and other parameters in the camera after installing the lens. Support Aperture Control::) EF-EOS M lens adapter supports the “Aperture Control” function.:) Adjust the lens ‘aperture’ from the camera end,just like the operation with your original matched lens or cameras. Compatible Lens:Canon EOS EF-MountCompatible Camera:Canon EOS M Series: EOS M/ EOS M2/ EOS M3/ EOS M5/ EOS M6/ EOS M10/ EOS M50/ EOS M100