A must for the serious camera flyer, the concentric is the premier skydiving eyesight. The “bull’s eye” dot, allows the flyer to easily track and pin-point the exact focus of the shot. Protected by two glass layers the proprietary crystal and polarizer sandwich is housed by a sturdy black anodized aluminum housing. The ringsight comes complete with a 1/4″ detachable post. Come fly the elite eyesight!