Sigma TS-31 Tripod Collar - for 120-400mm, 150-500mm and 50-500mm f4.5-6.3 Lenses

The Sigma TS-31 Replacement Tripod Collar enables sturdy mounting of select Sigma telephoto lens to a tripod head. The all-metal mount also doubles as a handgrip when carrying the lens. The locking knob secures the camera in landscape or portrait position. The mount is finished in black, scratch resistant powder coat. Compatability: Lenses APO 50-500mm f4.5-6.3 DG OS HSM APO 120-300mm f2.8 EX DG OS HSM APO 120-400mm F4.5-5.6 DG OS HSM APO 150-500mm F5-6.3 DG OS HSM