Dedicated to the Sigma 70-200mm f/2.8 DG OS HSM lens, this TS-121 Tripod Socket is a spare or replacement tripod foot for the one originally included with the lens. This foot is Arca-type compatible for direct use on select tripod heads and also features a 1/4″-20 socket for attaching to an additional quick release plate.
Caution (Tripod socket compatible with Arca Swiss type screw knob clamp)
- This product is compatible with the Arca Swiss screw knob clamp. Please ensure that it is screwed and fixed tightly. This product is not designed for lever type clamps. There are some lever clamps available that do not fix firmly and safely.
- Please ensure that 2 Safety Stopper Screws (supplied) are always fixed so that the Arca Swiss clamp will not fall off.