Lens Collar Support Tripod Mount Ring for Sigma MC-11 Lens of Canon EF-E Mount, Bottom is Arca Fit Quick Release Plate.

All Metal Lens Collar Support Tripod Mount Ring IS-MC11
For Sigma MC-11 Mount Converter Lens of Canon EF-E Mount
Bottom is Arca Fit Quick Release Plate FEATIBLE WITHIBLE WITH TRICH TRIB BALL HEAD OF ARCAD BOLL ARCAD BALL HEAD BALL HEAD BALL HEAD BALL HEAD BOLL HEAD BALL HEAD BALL HEAD BALL HEAD BALLE -Swiss / PMG Fit
Features: 1. Made of Aviation Aluminum, CNC Precisly Machined, Hollow-Out Weight Reduction Design, Polished and Surface Anodized Finish, With Stainless Steel; 2. Customized According to the Sigma MC-11 Mount converter. Positioning by The Switch and Bayonet. Cannot Be Rotated. All the Corner are rooonded. The Inside is Coverd with 3M Plastic Film to Prevent Lens Wear;
3. Inner Diameter is about 61.5mm, Width is about 20mm; Bottom is added quick release plate feature, plate length is about 70mm, with 1/4 and 3/8 Screw Holes and Stainless Steel Anti-Slip Screw, Net Weight is about 165g;
4. Bottom Quick Release Plate is As Standard, Compaible with RRS / Arca-Swiss / PMG / Wimberley / Markins / PhotoClam / SUNWAYFO / SIRUI / MARSACE / Ishoot Tripod Ball Head, Suitable / Is-JZ30 / JZ0 JZ64 / IS-QJ58 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK Clamp. Applicable to: SIGMA MC-11 Mount Converter Lens of Canon EF-E Mount (Notice ： This Ring Can Only Be Used with Canon Ef-E Mount, CAN'T BE Be USED WITH SIGMA SA SHAR-E and OTHER) : 1 x Ishoot Tripod Mount Ring IS-MC11 for Sigma MC-11 Mount Converter Lens of Canon EF-E Mount