Description:
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.
Upgraded base plate is designed with four 1/4" & one 3/8" thread holes, compatible with Arca-Swiss standard dovetail plate.
Right weight and strong building by third party.
100% fits Sigma and does have same construction.
Specifications:
Made by metal with very high quality
The UNC (Unified National Coarse Thread) : 1/4" & 3/8"
Ring inside diameter: 71mm
Ring thickness: 4.5mm
Baseplate Length: 60mm
Baseplate Width: 38mm
Color: black
Weight: 131g
Suitable For:
SIGMA APO 70-200mm F2.8 II EX DG MACRO HSM Lens、
Package Includes:
1 x Lens Tripod Mount Ring