Primos Heavy Optics Adapter Black for Apex Spartan Head

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. Features: Turns your APEX Spartan Head into a super stable optics and camera platform in seconds Designed to attach to cameras and other optics with standard 3/8"-16 or 1/4"-20 threaded female mounting points