1) M42 Lens to EOS Lens Mount Stepping Ring
2) It is easy to install, remove and use
3) It is durable and reliable for long-term use
4) It is made of metal
5) A useful thing to achieve optimal shooting effect
6) With lock pin and stop screw.
7) Please note Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter.
