47greyfox
Loc: on the edge of the Colorado front range
I purchased the ring for a Sigma 100-400mm Contemporary DG OS HSM Lens for Canon EF mount. It is not rotatable about the barrel. There is interior padding to ensure safe contact with the lens barrel surface. There are 1/4" and 3/8" UNC holes in the plate for direct connection to a tripod and/or connection with Arca-Type compatible foot with anti-slide security screws and hex wrench. I sold the lens before using it, so "like new in box" and includes a mesh bag plus original packaging. Price includes CONUS shipping. $25 PayPal only.
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