Tripod Mount Collar Ring for SIGMA EF 70-200mm F2.8 II EX DG APO
Features:
The third party special design for APO 70-200mm F2.8 II EX DG, Perfect conformity in color and surface qualities.
Advanced CNC processing,High quality aluminum baking painted surface
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
Specification:
Ring inner diameter: 71mm.
Ring width: 17mm.
Ring thickness: 4mm.