Sensei PRO 77-72mm Aluminum Step-Down Ring Tubing On-Chip Keypad Scanning Engine Supports

On-Chip Keypad Scanning Engine Supports Up to 8x8 Matrix (64 Keys)

Wide exit pupil and long eye relief ensure comfortable long-duration observation through your telescope Fold-down eyecup prevents peripheral light from leaking into your eye

synchronization mode

1/4"-20 camera mount screw

Sensei PRO 77-72mm Aluminum Step-Down Ring Tubing On-Chip Keypad Scanning Engine SupportsUse 72mm Filters on 77mm Lens Knurled Sides for Firmer Grip Matte Black Finish Minimizes Reflections Corrosion Resistant Hard Anodized Finish The Sensei PRO 77 72mm Aluminum Step Down Ring permits the use of 72mm threaded filters on lenses with 77mm filter threads. It has large side knurls to provide a more textured grip when mounting or removing it from a lens. This step down ring features a lightweight, aluminum alloy construction that has a