Runshuangyu Metal Tripod Collar Mount Ring 1/4", for Sigma APO 70-200mm F2.8 II EX DG Macro HSM - Ring Diameter (71mm)
Runshuangyu Metal Tripod Collar Mount Ring 1/4", for Sigma APO 70-200mm F2.8 II EX DG Macro HSM - Ring Diameter (71mm)
Compatibility: This tripod mount ring is suitable for SIGMA APO 70-200mm F2.8 II EX DG MACRO HSM
Function: The tripod mount ring mount on the tripod, it helps you fix and balance your tele lens which is heavy or long lens hanging off the front of camera
Only 131g, lightweight and strong built by third party
Upgraded base plate is designed with four 1/4" & one 3/8" thread holes, compatible with Arca-Swiss standard dovetail plate.
Material & Dimension: Made of high quality metal; ring diameter: 71mm, ring thickness: 4.5mm, width is about 18mm.