The tripod collar ring is compatible with Sigma including the DG OS HSM Contemporary It includes a lens support tripod mount bracket tripod and an

1. This tripod mount ring is compatible with Sigma lenses, including the 150-600mm f/5-6.3 DG OS HSM Contemporary TS-71 Lens. 2. The tripod mount ring is made to the same standard as the original factory. 3M plastic film is used inside to prevent lens wear. The inner diameter is approximately 80.5mm and the width is approximately 22.5mm. 3. The bottom is equipped with a quick release plate, which is approximately 75mm long and has 1/4" and 3/8" screw holes and a stainless steel anti-slip screw. 4. The bottom quick release plate uses the Arca standard, compatible with RRS / ARCA-SWISS / ISHOOT tripod ball heads. 5. This tripod mount ring is made of aviation metal material, CNC precision machining, hollow-out lightweight design, surface polishing and anodizing, with stainless steel screws. The tripod mount ring is compatible with Sigma lenses, including the 150-600mm f/5-6.3 DG OS HSM Contemporary TS-71 Lens. Metal lens support collar, tripod mount ring bottom with Arca Swiss type quick release plate, 1/4" and 3/8" screw holes Product Introduction: 1. This tripod mount ring is made of aviation aluminum, CNC precision machined, hollowed-out lightweight design, polished and anodized surface, with stainless steel screws. Net weight is approximately 170g. 2. The production standard of the tripod mount ring is the same as that of the original factory. A 3M plastic film is used on the inside to prevent lens wear. The inner diameter is approximately 80.5mm and the width is approximately 22.5mm. A quick-release plate is added to the bottom, measuring approximately 75mm in length. It has 1/4" and 3/8" screw holes and a stainless steel anti-slip screw. 3. The bottom quick release plate uses the Arca-Swiss standard, making it compatible with RRS, ARCA-SWISS, and ISHOOT tripod ball heads. Compatible with iShoot IS-JZ30/IS-JZ50/IS-JZ64/IS-QJ58/IS-QJ64/IS-QJ64-FD/IS-JZ60BK/IS-JZ70MFT/IS-JZ80BK tripod head clamps. Sigma Lens Compatibility 50-600mm f/5-6.3 DG OS HSM Contemporary TS-71 Lens Package Includes: 1 x iShoot All-Metal Tripod Mount Ring IS-SM1560C Compatible with Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary TS-71 Lens Note: 1. This tripod mount ring is compatible with Sigma lenses, including the 150-600mm f/5-6.3 DG OS HSM Contemporary TS-71 Lens. 2. Other items in the photos not listed here are for illustration purposes only, not included.