iShoot Tripod Mount Ring, CNC Machined Sigma TS-71 Replacement Lens Collar for 150-600mm f/5-6.3 DG OS HSM Contemporary Lens, Built-in Arca-Swiss Type Quick Release Plate with 1/4 3/8 Screw Hole

This tripod mount ring is tailor-made for Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary Lens; net weight is about 170g; This lens collar is made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized, with stainless steel screw; This lens support adopt the same produce standard with the original factory, with 3M film inside, inner diameter is about 80.5mm, width is about 22.5mm; This lens bracket bottom is added quick release plate feature, plate length is about 75mm, with 1/4 and 3/8 screw holes and stainless-steel anti-slip screws; This lens holder bottom is 39mm Arca-Swiss fit Quick Release Plate, Compatible with ARCA-SWISS / RRS / KIRK / WIMBERLEY / MARKINS / SUNWAYFOTO / KANGRINPOCHE / BENRO / SIRUI / MARSACE / ISHOOT tripod ball head of Arca 39mm fit; suitable for iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK clamp.