1. The tripod socket is Compatible with Sigma Lenses: 60-600mm F4.5-6.3 DG DN OS Sports, 150-600mm F5-6.3 DG DN OS Sports, 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. The lens foot 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. The lens collar base bottom is 39mm Arca fit quick release plate feature, compatible with RRS / ARCA-SWISS 39mm fit tripod head clamp; 4. The tripod mount ring stand is 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. The replacement foot IS-THSM1560 can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for fluid heads with Manfrotto structure. iShoot Tripod Mount Ring Base Lens Collar Foot Lens Support Stand Tripod Socket IS-THSM1560 for TS-61
Compatible with Sigma 150-600mm f/5-6.3 DG OS HSM Sports &150-600mm F5-6.3 DG DN OS Sports
Bottom with Arca Fit Quick Release Plate Feature, Compatible with RRS / Arca-Swiss Fit Tripod Head & Clamp

Main Features:

1. 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;

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. The lens collar foot IS-THSM1560 can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for fluid heads with Manfrotto structure.

Compatible with Sigma Lenses:

60-600mm F4.5-6.3 DG DN OS Sports
150-600mm F5-6.3 DG DN OS Sports
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
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

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)