FOTGA Arca Swiss Lens Tripod Mount Ring Collar Ring for Tamron 35-150mm F/2-2.8 Di III VXD E Mount Z Mount Lens Model A058 Sigma 100-400mm F5-6.3 DG HSM Lens
It features arca swiss bottom plate for attaching your lens to Ball Head, Clamp or Panorama Head of Arca-Swiss standard.There are also 3/8″-16 and 1/4″-20 holes at the bottom for attaching on tripod,light stand,etc.
This tripod mount ring helps fix and balance your tele lens which is heavy or long lens hanging off the front of camera.
Suitable for Tamron 35-150mm F/2-2.8 Di III VXD Lens Model A058 E mount and Z mount ,For Sigma 100-400mm F5-6.3 DG HSM lens EF and F mount.
Made of aluminum alloy.Ring dia is 84mm/3.3in,weighs 140g/0.31lb.