FOTGA Lens Tripod Collar Mount Ring for Sigma 100-400mm F5-6.3 DG DN OS E L X Mount Lens 105mm F1.4 DG HSM EF E X L Mount Lens,Compatible Arca Swiss Clamp Tipod Ball Head,1/4" 3/8" Holes

Material: Aluminum with CNC machined Suitable for: SIGMA 100-400mm f5-6.3 DG DN OS(Sony E mount and l, mount) Weight: 166g /0.36lb Package inlcudes: 1 x Lens collar ring Note: Please ensure the dots in line before locking, and do not rotate your lens or the collar ring after fixing

• FOTGA Metal Tripod Mount Ring Collar for Sigma 100-400mm 100-400mm F5-6.3 DG DN OS E mount , L Mount and X mount Lens.Also works for Sigma 105mm F1.4 DG HSM Art EF / F / E /X mount lens.Not work for SIGMA 100-400mm F5-6.3 DG OS HSM with EF mount or 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.Base plate can be detached and installed to the another side, Keep the dots in line for guick and easyinstallation
• Made of aluminum alloy, 140g/0.31lb
• Note: Please ensure the dots in line before locking, and do not rotate your lens or the collar ring after fixing