Ring inner diameter: 71 mm / 2., 8 inches 100% fit for Sigma and has the same construction. Arca-Swiss Quick Release Plate Fotga Metal Tripod Ring For Sigma APO 70-200mm F2.8 II EX DG Macro HSM Zoom Telephoto Lens Sigma 70-200mm Tripod Ring Description: Mount the tripod mount ring on the tripod, it helps you fix and balance your telephoto lens that is heavy or long lens hanging from the front of the camera. Universal tripod collar mount ring for SIGMA APO 70-200mm F2.8 II EX DG 77mm lens. Compatible with 1/4" screw. Ideal for tripod or monopod use Compatible with: For Sigma APO 70-200mm f/2., 8 II EX DG Macro HSM Lens For Sigma 70-200mm f/2., 8 APO EX DG HSM OS Lens Package includes: 1 x Lens Tripod Mount Proper weight and strong build from a third party. Reserves multiple 1/4-20 & 3/8-16 threaded holes at the bottom for direct attachment of the lens to the tripod. Specifications: Made of metal with very high quality The UNC (Unified National Coarse Thread): 1/4 & 3/8 Ring inner diameter: 71 mm. Made of aviation aluminum alloy and CNC precision machining, anodizing surface treatment, proper weight and strong building. Sigma 70-200mm f/2.8 APO EX DG OS HSM Lens Skin For Introduction: Brand New!, High quality., ! Sigma 70-200 mm f/2.8 EX DG HSM APO Mount the tripod mount ring on the tripod, it helps you fix and balance your telephoto lens that is heavy or long lens hanging from the front of the camera.
