Tripod Mount Ring CNC Machined Lens Collar Support Stand for Sigma 120300mm f28 DG OS HSM Sports Lens Bottom is ARCA Fit Quick Release Plate Compatible with Tripod Ball Head of ARCASwiss Fit

Tripod Mount Ring, CNC Machined Lens Collar Support Stand for Sigma 120-300mm f/2.8 DG OS HSM Sports Lens, Bottom is ARCA Fit Quick Release Plate Compatible with Tripod Ball Head of ARCA-SWISS Fit Main features: ?1?The lens collar is made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, surface polished and anodized, with stainless steel screw; ?2?The tripod mount ring is same to original design; with 3M film inside, inner diameter is about 87mm, width is about 21mm; bottom is added quick release plate feature, plate length is about 120mm, with 1/4 and 3/8 screw holes and stainless steel anti-slip screws. It is about 82g lighter than the original tripod mount ring TS-51, and its net weight is only about 278g; ?3?Specially designed for Sigma 120-300mm f/2.8 DG OS HSM Sports Lens; ?4?Bottom quick release plate is AS 39mm standard, compatible with ARCA-SWISS / PMG / WIMBERLEY / SUNWAYFOTO / BENRO / SIRUI / MARSACE / ISHOOT tripod ball head of Arca 39mm fit, suitable for IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK clamp. Package Includes: 1 x iShoot Tripod Mount Ring IS-SM1230 for Sigma 120-300mm f/2.8 DG OS HSM Sports Lens (Note: The other items in the photos not listed here are for illustrating only, not included)