Nikon BR-6 Auto Diaphragm Ring for Reverse Mount Lenses
The Nikon BR-6 Auto Diaphragm Ring permits automatic aperture diaphragm control with the PB-4 & PB-5 bellows units when combined with the AR-4, AR-7 & AR-10 cable releases.
Reviews Nikon BR-6 Auto Diaphragm Ring for Reverse Mount Lenses
Reviews Nikon BR-6 Auto Diaphragm Ring for Reverse Mount Lenses