Metal rear lens mount protection ring for Canon EF lenses. Can be used with filters for safe close up

Tamron SP 150-600mm F/5-6.3 Di VC USD

Bayonet adapter for attaching an EF/EF-S mount lens to a camera with a Sony E mount

Metal mount adapter. Camera mount: Canon EF. Lens mount: Olympus OM

Metal mount adapter. Camera mount: Pentax K. Lens mount: M42

Metal mount adapter. Camera mount: Canon EF. Lens mount: M42

Metal mount adapter. Camera mount: Canon EF. Lens mount: M42

Metal mount adapter. Camera mount: Nikon F. Lens mount: M42

Metal mount adapter. Camera mount: Sony A. Lens mount: M42

Metal mount adapter. Camera mount: Canon EF. Lens mount: Pentax K