Auto Focus Macro Extension Tube adapter aluminium alloy for Canon EOS EF mount DSLR camera

Roxsen Global

For Canon DSLR camera (Aluminium body) - Equipped with electronic contacts which transfer exposure data. - All automatic functions work well. - No need to set them manually. - AF engine and TTL auto exposure works perfectly well with extension rings. - Can be used singly or combined strength. Composed of 3 sections: 13mm 21mm 31mm These sections can be combined together for shortening focusing distances in various lengths. Settings: Put red marks of the extension tube and lens collar together. T