Manfrotto 498RC2 Midi Ball Head Description. The Manfrotto 498RC2 Midi Ball Head with RC2 Quick Release is constructed of die-cast aluminum strong enough to support an SLR camera with a medium lens & light medium format cameras. It has a single repositionable locking lever for 360 panoramic rotation & 90 tilt movements plus a friction control for precise positioning. Cameras are attached to the ball head with the 200PL-14 Plate & RC2 Quick Release with 14 male threads. The head to tripod attachment has 38 female threads. in addition the Quick Release has a safety system to prevent an accidental detaching from the head.