Feature●Features: Material: made of aluminium (camera mount), black anodised, robust metal lens adapter allows the use of a Konica AR lens on a Canon EOS M EF-M mirrorless camera. There is no ROM connector on the ring, so diaphragm adjustment of the lens is manually adjusted, infinite focus. Exposure meter; Macro rings and other accessories can be used. Easy to attach, remove and operate the lens. With lock/opening pin and stop .●With this FOTGA adapter, you can use Canon FD lenses on Canon EOS M EF-M mirrorless cameras; Compatible: Lens: Canon FD Lens Camera: Canon EOS M EF-M Mirrorless Camera●Note: Please note that although the lens fits, the spring diaphragm, automatic focus and other functions will not work properly when using this adapter. In this case, the "stop-down mode" must be used when measuring exposure, as the aperture of the lens cannot be controlled by the camera; you can take pictures in manual mode or aperture priority mode. Switch your camera to "Recording without lens" mode●Box contents: FOTGA Lens Adapter for Canon FD to EOS MDescription Features: This adapter gives you the opportunity to use your irreplaceable prime lens and saves you the cost of buying new lenses. The adapters are precisely manufactured to ensure the perfect fit. Allows infinite focus. Membrane control of the lens is set manually. High quality and compact. Made of aluminium and plastic. Suitable for: Canon FD Lens Canon EOS EF-M mount camera. For example: Canon EOS EF-M Mount,M,M2,M3,M5,M6,M10,M50,M100 Mirrorless Camera Note: Please note that the lens fits physically, automatic diaphragm, auto focus or other functions do not work correctly while using this adapter. In this case, the "stop-down mode" must be used when measuring as the lens does not have the ability to have its aperture controlled by the camera body. You can shoot with manual mode or aperture priority mode. Set your camera to "recordings without lens". Box contents: 1 x Canon FD-Canon EOS EF-M Lens Adapter Ring