iShoot Camera Tripod Mount Tripod Mount Lens Support Lens Bracket Tripod Compatible with Canon EF IS USM EF IS USM Bottom Quick Release Plate with

1. This lens bracket is compatible with Canon EF 70-300mm f/4-5.6L IS USM and Canon EF 28-300mm f/3.5-5.6L IS USM lenses. 2. This tripod mount ring has been modified based on Canon's original design, with stronger bearings, improved details, and the addition of a quick release plate function. 3. Net weight is approximately 165g. The inner diameter is approximately 80mm, the width is approximately 18mm. The bottom has a quick release plate function, the plate length is approximately 76mm, and it has 1/4 and 3/8 screw holes. 4. The bottom of the lens bracket collar stand features an Arca Fit quick release plate, which can be directly used with 39mm Arca Swiss Fit tripod ball heads, panoramic heads, and clamps, making it more practical than lens support collars without dovetail grooves. 5. This tripod mount ring is made of aviation aluminum, CNC precision machined, surface polished and anodized, with split structure, anti-slip patch, copper knob and stainless steel screw. Tripod mount ring for Canon EF 70-300mm f/4-5.6L IS USM and Canon EF 28-300mm f/3.5-5.6L IS USM lenses, with Arca-Swiss quick release plate on the bottom and 1/4" and 3/8" screw holes Product Description: 1. This tripod mount ring is based on Canon's original design and has been modified to strengthen the bearing, improve details, and add a quick-release plate function. 2. This tripod mount ring is made of aviation aluminum, CNC-machined with precision, polished, and anodized surfaces. It features a split structure, anti-slip pads, a copper knob, and a stainless steel screw. 3. Net weight is approximately 165g. The inner diameter is approximately 80mm, the width is approximately 18mm. The bottom is equipped with a quick release plate, the length of which is approximately 76mm. It has 1/4" and 3/8" screw holes. 4. The bottom of the lens bracket collar stand features an Arca Fit quick release plate, which can be directly used with 39mm Arca Swiss Fit tripod ball heads, panoramic heads, and clamps. It is more practical than lens support collars without dovetail grooves. Canon Lens compatibility:    EF 28-300mm f/3.5-5.6L IS USM Lens  EF 70-300mm f/4-5.6L IS USM Lens Package Contents: 1 x iShoot All-Metal Tripod Mount Ring IS-C730PB Please note: Other items in the photos not listed here are for illustration purposes only, not included.