Phot r lf 4 rear lens cap and bf 1b body cap kit compatible with nikon f mount lenses and nikon dslrs phot r rear lens cap compatible with nikon is a plastic lens cap fitted for the rear of nikon lenses the rear lens cap is placed on the rear mount of your lens when the lens is not in use on your camera it protects that all important parts of your lens from scratches dust water and fingerprints phot r body cap compatible with nikon is a simple yet vital part of safely storing and ma