Ring type lens support mount bracket compatible with Sigma DG OS HSM Contemporary bottom is Arca Swiss

1. This lens collar is specially designed for Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary Lens lens; cannot be used with Sigma 150-600mm f/5-6.3 DG OS HSM Sports lens. Net weight is approximately 170g. 2. The production standard of ring type tripod mount is the same as the original factory. 3M plastic film is used inside to prevent lens wear. The inner diameter is approximately 80.5 mm and the width is approximately 22.5 mm. 3. The bottom has a quick release plate function, and the plate length is approximately 75mm. It has 1/4 and 3/8 screw holes and stainless steel non-slip screws. 4. The quick release plate on the bottom uses Arca standard, compatible with RRS/ARCA-SWISS/ISHOOT tripod head (tripod ball head). 5. This tripod mount ring is made of aviation aviation metal material, CNC precision machining, hollow-out lightweight design, surface polishing and anodizing, with stainless steel screws. Ring-type tripod mount for SIGMA Contemporary 150-600mm f/5-6.3 DG OS HSM (replaceable with Sigma TS-71 tripod socket), Metal lens support collar, bottom of tripod mount ring has Arca Swiss type quick release plate, with 1/4 and 3/8 screw holes Product introduction: 1. This tripod mount ring is made of aviation aluminum, CNC precision machining, hollow out lightweight design, surface polished and anodized, with stainless steel screws. Net weight is approximately 170g. 2. The production standards of the ring type tripod mount are the same as the original factory. 3M plastic film is used inside to prevent lens wear. The inner diameter is approximately 80.5 mm and the width is approximately 22.5 mm. A quick release plate function has been added to the bottom, and the length of the plate is approximately 75 mm. It has 1/4 and 3/8 screw holes and stainless steel non-slip screws. 3. The bottom quick release plate uses Arca-swiss standard, compatible with RRS/ARCA-SWISS/ISHOOT tripod head.  iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64& nbsp;/ IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK Applies to pan head clamp. Compatible models: Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary Lens Package contents: 1 x iShoot All Metal Ring Type Tripod Mount IS-SM1560C Please note: 1. This ring tripod mount cannot be used with Sigma 150-600mm f/5-6.3 DG OS HSM Sports lens lens. 2. Other items in the photos not listed here are for illustrative purposes only and are not included.