FOTGA Tripod Mount Ring Lens Collar for Sigma 100-400mm F5-6.3 DG DN OS E L X Mount Lens Sigma 105mm F1.4 DG HSM EF E X L Mount Lens,Compatible Arca Swiss Clamp Tipod Ball Head,1/4" 3/8" Holes
FOTGA Metal Tripod Mount Ring Collar for Sigma 100-400mm SIGMA 100-400mm F5-6.3 DG DN OS E mount and L Mount Lens.Not work with SIGMA 100-400mm F5-6.3 DG OS HSM (Canon EF mount/ Nikon F mount).
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.
Made of aluminum alloy.Ring dia is 92.5mm/3.64in,weighs 166g/5.85oz.