ISHOT, a lenses of the lens, support lens for the Canon RF 600mm F11 IS STM and Canon RF 800mm F11 is STM, built -in Arca Fit.

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
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'TE BE Be USED for Other Lenses ； The Measuring Volume of the Replacement 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 Precisly Coordinated, and the Anti-Skid Positioning Pin is Designed. It is lockd 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 Fitod Ball Head, Panoraramic Head and Clamp Directly; More Practical Than Lens Collars with QR-Plate; ALSO Reserved 1/4 "and 3/8" Screw Holes and Stainless-Steel Anti-Slip Screw for Fixing Lens to Tripod Directly;

4. This Lens Collar Suport Base Bottom's Dovetail Groove is 39mm Arca-Swiss Standard, Compatible with RRS / Arca-Swiss / Wimberley / MARKINS / PhotoClam / Sunway / Benro / MARSACE BALLOTA THEACOT ARCAD AD MM Fit, Suitable for Ishoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK;

5. The Tripod Mount Base is Made of High-Density Aviation Aluminum, Lightweight and Solid; Precisly Machined by World-Class High-End CNC Turning Center; Hollowed-Out Work Processd by Multi-Diamond Cutter FinLy;

6. The Tripod Collar Foot Surface Using Vibration Polishing Technology, Grinding Precision Improved, Multiple Anodized, The Fineness and Uniformity of the Color of the Color of the Metal Surface Greatly Improved; The Appearance and Exquis Workmanship is Much Better Than Similar Products Made by Mold.
Applicable to: Canon RF 600mm f11 is STM.
Canon RF 800mm F11 IS STM. Package Including: 1 x Ishoot Lens Collar Stand Foot Is-Thrf680
(The Other Items in the Photos Not list