【One adapter, so many options】Explore new lens combinations, compatible for Canon FD FL mount lens to E mount cameras compatible with Sony a1, a9 II, a9, a7S III, a7S II, a7S, a7R V, a7R IV, a7R III, a7R II, a7R, a7C, a7 IV, a7 III, a7 II, a7, a6600, a6500, a6400, a6300, a6100, a6000, a5100, a5000, a3500, a3000, NEX-7, NEX-6, NEX-5T, NEX-5R, NEX-5N, NEX-5, NEX-F3, NEX-C3, NEX-3N, NEX-3, ILCE-QX1, ZV-E10. NOTE: must set in the camera menu to "shoot with no lens attached" | 【Unique design】There is an aperture lever on this Lens Mount Adapter, which help retain the function of the aperture lever for your FD mount lens. Important: Before attach the lens adapter, please rotate the aperture lever ring on the adapter clockwise until it is full OPENed. Please refer to the illustration on below description page | 【No loss of image quality or speed】Infinity focus allowed. There is no electronic contacts or glass inside of this lens adapter, so have to manually adjust all settings (no autofocus) and no need to worry about optic degradation of your lenses. Connected lenses retain all of their superb image quality with no loss of brightness, contrast or speed | 【New exterior design, solid & durable】Aesthetics and streamlined exterior design means comfortable shooting in any direction, including vertically. The adapter, with Difficult-To-Machining tooth design, matched the nice look of your cameras and lenses. Built from aviation grade aluminum and magnesium alloy, the MOUNT ADAPTER is strong and lightweight with a durable finish, really very resistant and performing for vintage lenses