a. With AF-Confirm Clip. Make Contax Yashica CY lenses can be used on Canon EOS cameras.
b. The ring enables camera viewfinder focus confirmation light and confirmation sound.
c. Please installing / uninstalling the adapter after turning off the camera.
d. It can focus to infinity. Supports AV (Aperture Priority) and Manual Mode.
e. EXIF is fixed 50mm f1.4. Auto focus (AF) is not available .
1. lens: All Contax Yashica CY Lenses.
2. camera: All Canon EOS DSLR and Film SLR.
(NOT compatible with 650D, 700D, T4i, T5i, 1D series, 5D series, NOT sure works on EOS 30, 30V, 33V, D60, 6D, EOS 650, 620 FILM)