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.
Specifications
| Packaging Info | |
| Package Weight | 0.15 lb |
| Box Dimensions (LxWxH) | 3.228 x 3.228 x 0.866" |
