EF Canon mount lens to Nikon 1 mount adapter with aperture - J1 J2 V1 V2 V3 J3 J4 J5 S1 other camera adapter Blackmagic Micro Cinema Camera(BMMCC) and

Blackmagic Micro Cinema Camera(BMMCC) and Blackmagic Micro Studio Camera 4K(BMMSC 4K)

This is the programmable EMF AF confirm chipped lens adapter ring with built in circuit board for Mamiya 645 mount manual lens on your Canon EOS EF mount camera

it works perfectly well with extension rings

SP AF 17-50mm F/2

95 Lens from Mitakon Zhongyi is compatible with Micro Four Thirds mirrorless cameras

EF Canon mount lens to Nikon 1 mount adapter with aperture - J1 J2 V1 V2 V3 J3 J4 J5 S1 other camera adapter Blackmagic Micro Cinema Camera(BMMCC) andFor using Nikon 1 mount interchangeable lens digital cameras with all Canon EF mount (EOS) lenses. It is a solution of using Canon EF lenses to adjust apeture in other cameras with external aperture ring. Allows focus infinity. This adapter doesn't compatible for Canon EF S lens.