Tripod Mount Collar Ring for Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens
For Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens. Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens (Canon EF Mount, Nikon F Mount). 1 x iShoot Tripod Mount Ring IS-SM140 for Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens.