Wei Zhuo DG-1N Nikon micro-single automatic extension ring NIKON J1 J2 J3 V1 Macro close-up ring
Viltrox Wei Zhuo Nikang a series of micro-single-camera auto-focus close-up ring


Scope: All Nikon 1 series micro-camera， metal mouth Nikon1 J1 J2 V1 AF Macro Adapter Ring