Turns your Ascent and Sentinel tripod or Davros head into a super stable optics and camera platform in seconds. The magnetic attachment system gives instant fitting and has an adjustable lever system for extra security. Lightweight and durable, the Heavy Duty Optics Adapter comes with a standard 1/4"-20 camera/optic screw, 3/8"-16 bushing and polymer plate. Â Specifications Weight 65g / 2.4oz Compatibility Davros Heads, Sentinel and Ascent Tripods