iShoot 82mm Metal Tripod Mount Ring Lens Collar Compatible with Sigma 105mm F1. 4 DG HSM ArtSigma 100-400mm F5-6. 3 DG DN OS, Lens Support Holder Bracket Bottom is Arca-Swiss Fit Quick Release Plate.

iShoot Lens Collar Tripod Mount Ring ISSM105ART Compatible with Sigma 105mm F1. 4 DG HSM Art (EF/FX/FE/L MountSigma 100400mm f/56. 3 DG DN OS (E / L MountNot Compatible with Sigma 100400mm f/56. 3 DG OS HSM Contemporary (EF / F Mountlens and other lenses Bottom is Arca Fit Quick Release Plate Feature for RRS / ArcaSwiss Fit Ballhead Clamp Features: 1. The tripod ring is made of Aviation Aluminum, CNC precisely machined, hollowout weight reduction design, polished and surface anodized finish. The appearance and exquisite workmanship are much better than similar products made by mold; 2. The lens support collar is designed and improved with reference to Sigma original TS111; 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 nonslip design； 3. The bottom quick release plate of the Lens support is about 65mm in length, adopts ARCASWISS / RRS 39mm standard fit, and reserved 1/4 and 3/8 screw holes, equipped with stainless steel nonslip screws, net weight about 170g; 4. Bottom quick release plate is AS standard, compatible with RRS / ARCASWISS / PMG / WIMBERLEY / MARKINS / PHOTOCLAM / SUNWAYFOTO / BENRO / SIRUI / MARSACE / ISHOOT ball head of Arca 39mm fit, suitable for iShoot ISJZ30 / ISJZ50 / ISJZ64 / ISQJ58 / ISQJ64FD / ISJZ60BK / ISJZ70MFT / ISJZ80BK. Compatible with: Sigma 105mm f/1. 4 DG HSM Art (EF/FX/FE/LmountSigma 100400mm f/56. 3 DG DN OS (E / L MountNot Compatible with Sigma 100400mm f/56. 3 DG OS HSM Contemporary (EF / F Mountlens and other lenses Package Includes: 1 x iShoot Lens Collar ISSM105ART (Note: The other items in the photos not listed here are for illustrating only, not included.