Lens Collar Support Tripod Mount Ring Diameter 87mm for Sigma 120-300mm f/2.8 DG OSM Sports Lens, Built-In Arca Fit Quick Relese Plate

Metal Lens Collar Support Tripod Mount Ring IS-SM1230
Customized for Sigma 120-300mm f/2.8 DG OSM Sports Lens
Bottom is Arca Fit Quick Reliase Plate FEATIBLE WITHIBLE WITH TRIBLE WALL HEAD BALL HEAD BOLL ARCWIS Fit
FEATURES: 1. The Lens Collar is Made of Aviation Aluminum, CNC Precisel Machiple-Outweight Reduction Design, Surface Polished and Anodized, with Stainless Steel;
2. The Production Standard of the Lens Bracket is The Original Factory. 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 82g Lighter Than The Original Tripod Mount Ring Ts-51, and Its Net Weight Is Only About 278G;

3. Bottom quick release plate is AS 39mm standard, compatible with RRS / ARCA-SWISS / PMG / WIMBERLEY / SUNWAYFOTO / 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. Applicable to: SIGMA 120-300mm f/2.8 DG OS HSM Sports Lens Package Including: 1 x Ishoot Tripod Mount Ring IS-SM1230 for Sigma 120-300mm f/2.8 DG OSM Sports Lens
Not Listed here for Illustrating Only, Not Included)