This innovative adapter allows photographers to seamlessly adapt Canon EF lenses to Nikon Z cameras, both full frame and APS-C, unlocking 150+ new EF lenses to Nikon Z / RED camera users. and opening up new possibilities for creative expression. – Turn Canon EF lenses Autofocus on Nikon Z cameras (Full-frame and APS-C)– Support EF mount third-party lenses– Support AF-S, AF-C, AF-F, Eye-AF, pinpoint focusing and Face detection– Smooth focusing performance during video shooting– Support auto aperture– Support the use of manual lenses– Support AF/MF button on the lens body– Firmware upgradable through Nikon Z camera (with adapter + lens)– Suitable for ALL Nikon Z cameras including (Nikon ZF, ZFC, Z30, Z50, Z5, Z6, Z6 ii, Z6 iii, Z7, Z7 ii, Z7 iii, Z8, Z9, ZR etc)– Suitable for RED Komodo and V-Raptor cameras (Z-mount)*If users wish to use multiple EF-mount lenses with EFTZ21 , when changing lenses, please turn off the camera and then remove ONLY the EF-mount lenses originally being mounted on the camera. Removing both the lens and adapter may cause adapter malfunctions.* Battery drain may happen while the adapter is on camera. Remove the adapter from camera after use to avoid battery drain.