1. The tripod mount ring is tailor-made and only compatible with Sony FE 70-200mm f/4 G OSS Lens SEL70200G; | 2. The lens collar is referencing to and modified from Sony original standard design, bearing is enhanced, structure and details are improved, and added the features of quick release plate, more practical; | 3. The weight of the tripod mount ring is about 165g, inner diameter is about 72.5mm, width is about 17.5mm; bottom with quick release plate structure, the plate’s length is about 76mm, with 1/4" and 3/8" screw holes; | 4. Bottom quick release plate is 39mm Arca-swiss fit, compatible with RRS / ARCA-SWISS / ISHOOT tripod head of Arca 39mm fit, suitable for iShoot IS-JZ64 / IS-QJ58 / IS-QJ64 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK. | 5. The lens support is made of Aviation Aluminum, CNC precisely machined, surface anodic oxidation; split-type design, built-in anti-skid patch, copper knob, stainless steel anti-skid nails;

1. This lens collar is tailor-made and compatible with Sony FE 135mm f/1.8 GM, also compatible with Tamron 17-28mm f/2.8 Di III RXD A046, 28-75mm f/2.8 Di III RXD A036, 70-180mm f/2.8 Di III VXD A056, 17-70 f/2.8 Di III-A VC RXD B070, 28-200mm f/2.8-5.6 Di III RXD A071, 70-300mm f/4.5-6.3 Di III RXD A047 (E-mount) lens; | 2. The lens support adopts lightweight design of hollow, with stainless steel screw, net weight is about 150g; positioned by the switch and bayonet. Cannot be rotated. All corners of the lens collar are grinding rounded, with 3M film inside for protecting the lens from scratches; | 3. The bottom of the lens bracket is 55mm detachable Arca-swiss fit quick release plate, with 1/4" and 3/8" screw holes and stainless-steel anti-slip screws at the bottom for fixing lens to tripod directly; | 4. The tripod collar bottom is added 55mm long Arca fit quick release plate feature, compatible with Arca-Swiss 39mm fit tripod ball head, panoramic head and clamp directly; more practical than lens collars without QR-Plate. | 5. The tripod mount 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.

1. The lens collar body adopts the original factory standard, and the structure is redesigned and improved, compatible with Tamron 50-400mm f/4.5-6.3 Di III VXD A067, can't be used for other lenses. | 2. The original simple hand screw knob is upgraded to a 180° quick-lock knob. The quick lock device is made of stainless steel, rotate 180° to lock or release, and pull the knob to unlock; the connection shaft of the tripod ring is changed from hollow to solid, the ring body is thickened, and the inner wall is pasted with PVC film to protect the lens. | 3. The tripod collar bottom is added 70mm long Arca fit quick release plate feature, compatible with Arca-Swiss 39mm fit tripod ball head, panoramic head and clamp directly; more practical than lens collars without QR-Plate. | 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 lens collar can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for hydraulic heads with Manfrotto structure.

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 f/1.4 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; please check your lens mount carefully before purchasing the item; | 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.