Featuress:_x000D_
The Tripod Mount Ring is made of refined aluminum, with matte hardening surface, droplet-like milk white paint, the appearance matchs the Canon lens well_x000D_
The tripod mount ring, on the tripod, it helps you fix and balance your tele. lens which is heavy or long lens hanging off the front of camera. right weight and strong building by third party. 100% fits Canon and does have same construction_x000D_
The tripod mount is 1/4UNC_x000D_
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Specifications:_x000D_
Diameter of the ring: about 65mm_x000D_
Screws: 1/4"_x000D_
Applicable to Canon EF70-200/F4L, Canon EF70-200/F4LIS, Canon EF200/F2.8L, Canon EF300/F4L, Canon EF400/F5.6L