FD-EOS Lens Mount Stepping Ring for Canon FD Lens to EOS EF Lens (Black) 1. Applicable lenses: For Canon FD mount all lenses 2. Applicable body: Suitable for Canon EOS digital SLR camera film SLR camera 3. Features: Full manual control, manual focus, manual exposure, aperture priority, cannot focus at infinity. 4. Material: Aluminum alloy Notice: 1. Due to the design of the imaging distance behind the FD lens, the FD lens cannot be directly transferred to an EOS SLR camera for normal shooting (infinity is not in focus). Usually, a corrective lens needs to be installed on the adapter ring to be able to shoot normally. Corrective lenses are bound to affect the image quality of the original lens. 2. The FD lens is transferred to the EOS SLR camera through this adapter without corrective lenses, and the focus distance is generally only a few tens of centimeters or even shorter, so it is actually just a macro adapter (closer). camera ring), the lens has also become a close-up macro lens! Since there are no corrective lenses, the imaging characteristics of the original lens can be preserved as they are.