Compatible with Canon RF 24-105mm F4L IS USM. Canon RF 24-105mm F4L IS USM. 1 x iShoot Tripod Mount Ring IS-C24105RF Compatible with Canon RF 24-105mm F4L IS USM Lens. The tripod collar is added 50mm long 39mm Arca fit quick release plate, can be used with 39mm Arca-Swiss fit tripod head and clamp directly; more practical than lens collars without QR-Plate; reserved with 1/4" and 3/8" screw holes and QD hole, and stainless-steel anti-slip screws for fixing lens to tripod directly；.
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