iShoot Lens Collar Stand Foot Tripod Mount Ring Support Base IS-THRF680 for Canon RF 600mm F11 IS STM & RF 800mm F11 IS STM Bottom is 39mm ARCA Fit Quick Release Plate Feature, Compatible with Tripod Head & Clamp of RRS / ARCA-SWISS Fit Main Features: 1. The tripod mount ring support base is tailor-made for Canon RF 600mm F11 IS STM and Canon RF 800mm F11 IS STM, can't be used for other lenses?the measuring volume of the replacement foot is about 91mm(L) x 38.5mm(W) x 31mm(H) (without screws), and net weight is about 95g; 2. The lens collar foot is made based on the lens structure, the screw holes are precisely coordinated, and the anti-skid positioning pin is designed. It is locked by spring screws, with wavy handles; 3. The lens collar stand foot bottom is added 45mm 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 QR-Plate; also reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screw for fixing lens to tripod directly? 4. The tripod collar foot surface using vibration polishing technology, grinding precision improved, multiple anodized, the fineness and uniformity of the color of the metal surface greatly improved; the appearance and exquisite workmanship is much better than similar products made by mold. Applicable to: Canon RF 600mm F11 IS STM Canon RF 800mm F11 IS STM Can't be used for other lenses Package Includes: 1 x iShoot lens collar stand foot IS-THRF680 (Note: The other items in the photos not listed here are for illustrating only, not included)

5. The tripod mount ring base is made of Aviation Aluminum, precisely machined by world-class high-end CNC turning center, hollow-out weight reduction design, hollowed-out work processed by Multi-Diamond Cutter finely, lightweight and solid, polished and surface anodized finish. The appearance and exquisite workmanship are much better than similar products made by mold. 4. This lens collar support base bottom's dovetail groove is 39mm Arca-Swiss standard, compatible with RRS / ARCA-SWISS / PMG / WIMBERLEY / MARKINS / PHOTOCLAM / SUNWAYFOTO / BENRO / SIRUI / MARSACE / ISHOOT ball head of Arca 39mm fit, suitable for iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK;. 3. The tripod collar stand bottom is added 45mm 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 QR-Plate. The Lens collar base bottom reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screw for fixing lens to tripod directly;. 2. The lens collar stand is made based on the lens structure, the screw holes are precisely coordinated, and the anti-skid positioning pin is designed. It is locked by spring screws, with wavy handles;. 1. The tripod mount ring support foot is tailor-made for Canon RF 600mm F11 IS STM and Canon RF 800mm F11 IS STM, can't be used for other lenses?the measuring volume of the replacement foot is about 91mm(L) x 38.5mm(W) x 31mm(H) (without screws), and net weight is about 95g;.

Manufacturer: iShoot. Date First Available: December 8, 2020. Best Sellers Rank: #34 in Tripod Lens Mount Rings. Customer Reviews: 4.6 out of 5 stars 33 ratings 4.6 out of 5 stars. Item model number: PH03-IS-THRF680. : B08PYVPGL4. Item Weight: 5 ounces. Package Dimensions: 4.76 x 3.46 x 2.95 inches.