FD-EOS M Lens Mount Adapter Ring for Canon FD Lens to Canon EOS M Series Cameras for Canon EOS M M2 M3 M5 M6 M10 M50 M100 Mirrorless Camera Precision machining of aluminum alloy, no wear and tear lens. Full manual control, manual focusing, manual exposure, aperture priority exposure, can focus indefinitely. When using adapter ring for first time, please turn on "no lens release shutter" option in fuselage menu, otherwise transfer lens will not be recognized. Lens mount adapter allows FD series lens to fit on M series cameras. Specifications: Compatible Camera: For M series cameras Color: Black Package Size: 7.1 * 7.1 * 3.5cm / 2.8 * 2.8 * 1.4in Package Weight: 82g / 2.9oz Material: Aluminum Alloy Item Weight: 71g / 2.5oz Package List: 1 * Lens Mount Adapter