Combine any Canon FD mount lens with any Canon (EF/EF-S) mount camera body. Experiment with new lens combinations and pair any Canon FD mount lens with your Canon (EF/EF-S) mount camera.Our FD-EF Lens Mount Adapter is manual so most automatic functions – aperture, autofocus, AE metering and image stabilization – must be adjusted manually. Exposure settings need to be set manually too. This adapter incorporates a corrective optical glass element for proper image rendering. Features: Manual lens mount adapter Utilize different lenses Snug fit with no light leaks Secure connection Anti-reflection matte black finish Lifetime warranty In The Box: Urth Manual Lens Mount Adapter for Canon FD Lens to Canon EOS EF/EF-S Camera Body (with Optical Glass) Notes: 1. Electronic communications and automatic functions are not supported with this adapter. 2. You can change the aperture when using this lens mount adapter only if your lens has a manual aperture control ring.3. If you use a lens with electronic aperture and no manual control ring, because this lens mount adapter is fully manual, your aperture would remain at its maximum aperture (lowest f-stop).