• The upgraded version of the ETZ 21 PRO uses original lens firmware mode for better compatibility. The scoring performance is close to the original factory lens • EXIF records lens data more accurately, and allows access to all buttons/switches on the lens including custom buttons. High speed continuous shooting speed is more stable and exposure is more accurate. Supports lens stabilization • Most of the options in the menu include vibration reduction function, AF-S/AF-C/MF focus mode, aperture automatic tuning, micro dot PN focus, zoom distance shooting, time-lapse shooting, AFF video autofocus • The opening of the adapter ring is designed to fit the camera's CMOS without blocking the incoming light and also considering the rigidity and durability of the chip contact. The inner wall is professionally fogged, scatterproof, more clear light, high toughness elasticity, bright surface plating, ring CD pattern technology, anti-scratch • The flat thickness of the adapter ring is only 2mm, and the adapter ring is compatible with a wide range of the original E-mount lenses and E-mount lenses, including the original E-mount lens and 3rd party lens to E-mount lenses, such as Tamron, Sigmazis, Voigtlander, samyang and more. Suitable for Nikon ZFC Z30 Z50 Z7 Z6 Z5 Z7II Z6II Z8 Z9 Camera