High Quality Professional manufacturing, exquisite workmanship, this Camera Lens Adapter is made of high quality aluminum alloy, durable, non deformation, also with corrosion resistant and glossy.Extinction method: professional-grade lens matt paint on the inner wall .External coating: black part hard oxidation process, silver part composite plating. Focus Full manual operation, manual focus, manual adjustable aperture. Can achieve manual exposure with camera body and preferred aperture exposure.We state “It support focus infinity.” It is Able to adjust aperture Unique Design AMOPOFO The lens adapter allows you to mount a Canon FD FL Mount Lens to Canon EOS R Mirrorless Camera. Besides for making financial sense, this allows you to use your favorite lens across different camera platforms, the lens adapter is designed to fit securely to the lens, yet can still be removed easily when not needed. Suitable Lens:Canon FD FL Mount Lens Camera: Canon EOS R Mirrorless Camera NOTICE Autofocus, automatic aperture and AE metering will be DISAB. Need to focus manually and set exposures manually. Shoot with manual mode or aperture priority mode. Turn on "Release without lens" mode before use.