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.
Ask Our Experts800-606-6969
Hello, Log InAccount & Orders
Please update your browser to take advantage of the latest technology security
enhancements to ensure your B&H Shopping experience is as safe as it is enjoyable:
Whatever You Need, We've Got It