Main features:
- Using high-density aviation aluminium, automated CNC machine tools, hollow carving precision processing; using vibration polishing technology, 20% higher precision than manual polishing; using multiple anodizing, so that the metal surface hardness and uniformity increased by 20%.
- Customized according to the shape and structure of the lens design, switch holes have been cut on the inside of the tripod ring.
- The tripod ring can not be rotated, it can only be used horizontally; The inside surface of the tripod ring is affixed with plastic film to keep the lens wear and tear to the minimum;
- The bottom of the tripod ring collar has an RRS/ARCA-SWISS compatible quick release plate, the length of the plate is about 50mm, the plate has 1/4 and 3/8 screw holes, as well as removable stainless steel anti-slip off screws;
- The tripod ring weighs about 160g.
Only compatible with Canon RF 100-400mm F5.6-8 IS USM lens.
IS-RF140 lens tripod ring + IS-3950PRO converter (sold separately), can be used together for the Manfrotto hydraulic head.