Redrock Micro Nikon to Canon EF Lens Mount Adapter Redrock Micro Nikon to Canon EF Lens Mount Adapter - Mounting Screws and Wrench - Redrock Micro Warranty The Nikon to Canon EF (EOS) Lens Mount Adapter is the only adapter available today designed specifically for the unique requirements of motion video. The locking set screw pin and set screws ensure play-free mount, a critical need when pulling focus The Nikon to Canon EF Lens Mount Adapter is available standalone or in economical three-packs (for living on Nikon lenses), making it the best value in professional-grade lens adapters Use your existing Nikon brand or third-party Nikon F-mount lenses with Canon DSLR bodies for still or video and expand the production possibilities of your camera arsenal