

The SIGMA Tripode Ring for the 100-400mm TS-111 for Contemporary Lens 100-400mm f/5-6.3 DG DN OS is a unique locking knob collar that can be used as a spare or as a spare part that originally came with the lens. Once the collar is on, it allows the lens and camera to rotate on the axis in a vertical or horizontal position. In addition, the dovetail foot on the tripod socket is compatible with most Arca-type clamps.
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The SIGMA Tripode Ring for the 100-400mm TS-111 for Contemporary Lens 100-400mm f/5-6.3 DG DN OS is a unique locking knob collar that can be used as a spare or as a spare part that originally came with the lens. Once the collar is on, it allows the lens and camera to rotate on the axis in a vertical or horizontal position. In addition, the dovetail foot on the tripod socket is compatible with most Arca-type clamps.