1. The tripod socket is Compatible with Sigma Lenses: 60-600mm f/4.5-6.3 DG OS HSM Sports, 70-200mm f/2.8 DG OS HSM Sports, 500mm f/4 DG OS HSM Sports, and 150-600mm f/5-6.3 DG OS HSM Sports; Not compatible with Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary Lens and other lenses;
2. Improvements made on the basis of original tripod mount base; 3/8 screw hole and stainless-steel anti-skid nails are added; finger position is added, easy to grasp; strap hole is added, easy to hang;
3. Bottom is 39mm Arca fit quick release plate feature, compatible with RRS / ARCA-SWISS 39mm fit tripod head clamp;
4. Made of Aviation aluminum, CNC precisely machined, anodized surface, with stainless steel screws; the volume is about 12 x 4.2 x 2cm (including screw), net weight is about 125g; the data of the mounting holes are collected from Sigma original lens;
5. Package Includes: 1 x iShoot Lens Collar Foot IS-THSM1560 (Note: The other items in the photos not listed here are for illustrating only, not included).
