AF confirm adapter for Pentax 67 6x7 lens to CANON EOS EF mount - 60D 550D 600D 7D 70D

Roxsen Global

This is the AF confirm chipped lens adapter ring with built in circuit board for Pentax 67 mount lens on your Canon EOS EF mount camera, saving you the expense of a costly and irreversible conversion. With 1/4" tripod mount thread. (Not usable on tele outer bayonet 6x7 lens) Focal length and aperture values are fixed and not programmable, but value can be controlled from F/1.4 to F/4.0 for exposure control. It is not suitable for several full frame 5D series cameras because of depth of lens moun