FOTGA Lens Tripod Mount Ring Collar Ring for Tamron 50-400mm F/4.5-6.3 Di III VC VXD Lens A067 E Mount Z Mount 100-400mm F/4.5-6.3 Di VC USD EF EF-S F Mount Lens A035
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 50-400mm F/4.5-6.3 Di III VC VXD Lens A067 and 100-400mm F/4.5-6.3 Di VC USD EF EF-S F Mount Lens A035.
Made of aluminum alloy.Ring dia is 82mm/3.2in,weighs 140g/0.31lb.