82mm Tripod Mount Ring Lens Collar Compatible with Sigma 105mm f/1.4 DG HSM Art & Sigma 100-400mm f/5-6.3 DG DN OS, Lens Support Holder Bracket Bottom is Arca-Swiss Fit Quick Release Plate

iShoot Lens Collar Tripod Mount Ring IS-SM105ART Compatible with Sigma 105mm F1.4 DG HSM Art & Sigma 100-400mm F5-6.3 DG DN OS Bottom is Arca Fit Quick Release Plate Feature for RRS / Arca-Swiss Fit Ballhead Clamp Features: 1. The lens collar is made of high-density Aviation Aluminum, lightweight and solid; precisely machined by world-class high-end CNC turning center; hollowed-out work processed by Multi-Diamond Cutter finely; 2. The Tripod mount ring surface using vibration polishing technology and multiple anodic oxidation, greatly increased the color uniformity of the metal surface; the appearance and exquisite workmanship is much better than similar products made by mold; 3. The tripod collar using laser scanning technology to accurately obtain lens parameters, and then accurately carve out the shape of the inner diameter of the tripod ring according to the data; 4. The lens support collar is designed and improved with reference to Sigma original TS-111; inner diameter is about 82mm, width is about 18mm, the inner wall has grooves and notches, and 3M plastic protective film is attached; locking knob with non-slip design； 5. The bottom quick release plate of the Lens support is about 65mm in length, adopts ARCA-SWISS / RRS 39mm standard fit, and reserved 1/4 and 3/8 screw holes, equipped with stainless steel non-slip screws, net weight about 170g; 6. Bottom quick release plate is Arca-swiss fit, compatible with RRS / ARCA-SWISS / ISHOOT tripod head and clamp of Arca 39mm fit. Compatible with Sigma Lens: 105mm f/1.4 DG HSM Art (EF/FX/FE/L mount) 100-400mm f/5-6.3 DG DN OS (E/L mount) Not compatible with Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary (EF / F Mount) Package Includes: 1 x iShoot Lens Collar IS-SM105ART

• 1. The lens collar is designed and improved with reference to and compatible with Sigma original TS-111; the tripod collar is tailor-made and compatible with Sigma 105mm F1.4 DG HSM Art (EF/FX/FE/L Mount) & Sigma 100-400mm f/5-6.3 DG DN OS (E / L Mount); Not Compatible with Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary (EF / F Mount) lens and other lenses;
• 2. The net weight of the tripod mount ring is about 170g, inner diameter is about 82mm, width is about 18mm, the inner wall has grooves and notches, and 3M plastic protective film is attached; locking knob with non-slip design；
• 3. The tripod collar bottom is added 65mm long Arca fit quick release plate feature, can be used with 39mm Arca-swiss fit tripod ball head, panoramic head and clamp directly; more practical than lens collars without dovetail groove;
• 4. The Lens support bottom reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screws for fixing lens to tripod directly;
• 5. The tripod ring is made of Aviation Aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized finish. The appearance and exquisite workmanship are much better than similar products made by mold.