Canon Tripod Mount Ring A II (W) White EF40056L 20040LIS 20040L. We may not be able to send it to countries which prohibit importing lithium. We are YAMA.GARAGE from Japan. (However, the country of manufacture also has products other than Japan).
eBay
For Canon RF 600mm F11 IS STM & RF 800mm F11 IS STM. Canon RF 800mm F11 IS STM. Canon RF 600mm F11 IS STM. 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;.
eBay
Added the function of quick release plate in the bottom. The length of the QR plate is about 55mm, with 1/4 and 3/8 screw holes and stainless-steel anti-slip screws. The net weight is about 160g;. The tripod mount ring is made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized, with stainless steel screw;.
eBay
The tripod mount ring is tailor-made for Canon EF-EOS R adapter ring, CAN only be used for EF-EOS R basic models, not for models with filters or focusing rings; relying on the switch and bayonet positioning, cannot rotate in the tripod ring; when shooting vertically, the EF-EOS R adapter ring needs to be taken out and reinstalled;.
eBay
Canon EF 70-200mm f/4L USM, Canon EF 70-200mm f/4L IS USM. Canon EF 400mm f/5.6 L USM, Canon EF 80-200mm f/2.8L. Compatible with Canon EF 70-200mm f/4L IS II USM Lens. Canon EF 70-200mm f/4L USM Lens.
eBay
Aluminum Alloy Tripod Collar Mount Ring C(WII) for For Canon EF 70-300mm f/4-5.6L IS USM / For Canon EF 28-300mm f/3.5-5.6L IS USM Lens. For Canon EF 70-300mm f/4-5.6L IS USM. For Canon EF 28-300mm f/3.5-5.6L IS USM.
eBay
The item is second hand but is in a good condition.
eBay
Compatible with Canon RF 28-70mm F2L USM Lens. Canon RF 28-70mm F2L USM. 1 x iShoot Lens Collar IS-RE2870 for Canon RF 28-70mm F2L USM. The bottom quick release plate of the Lens support is about 70mm 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 is about 185g;.
eBay