Full manual focus,manual aperture.
52mm Male thread.
Allows 77mm lens become a Macro lens on Canon EOS camera body.
This lens mount adapter can make a normal lens become a Marco lens on your SLR camera body so that you don't need to buy any Marco lens.
Although the lens will fit physically,the automatic diaphragm,auto-focusing or any other functions will not operate correctly while using this adapter.
It works with all Canon EOS EF mount camera bodies,digital or film. Any lens with 77mm filter thread will fit on the thread side of the adapter. For example,you can fit a Nikon lens with 77mm thread on a Canon EOS Camera. It dramatically expended your choice in selecting proper lenses for this adapter.
Material: Made of metal (not plastic)
The reverse ring has no electric contact, so you will have to set your camera in manual focusing and manual exposure or aperture priority mood.
Test shots may be needed for proper exposure.
Canon EOS camera body (film or digital SLR body).
1x Macro Reverse Adapter Ring