JJC RR-EOS Reverse Rings are threaded on one side to fit the filter thread of your lens. The other side has a mount like your camera lens. Screw the adapter into your lens' filter thread, turn the lens around and bayonet it into the Canon EOS camera body. This greatly increases the macro reproduction range capabilities.
- Allows the camera lens to be fitted in its reverse position onto the camera body
- Makes lens become a macro lens on camera body
- When attached automatic diaphragm, auto-focusing, or any other functions will not operate correctly