Metal Tripod Mount Ring D (B) Lens Collar&Nbsp; Compatible With Canon Ef 100Mm F/2.8L Macro Is Usm Lens, Bottom Is Arca Fit Quick Release Plate, Compatible With Arca-Swiss Fit Tripod Head Clamp Main Features:&Nbsp; 1. Compatible With Canon Original Tripod Mount Ring D (B) Design, With Precise All-Metal Material Processing And Surface Hardening Treatment, Fine, Smooth And Wear-Resistant; Junctions Of New Version Are Fixed By Steel Needles; Locks Use Stainless-Steel-Spring Screw; The Bottom Is Electroplated Copper Nut, More Exquisite And Perfect; 2. The Lens Collar Is Made Of All-Metal Material, There Is A 1/4 Screw Hole At Bottom; The Lens Support Bracket With Flocking Inside And Locking Knob, Combining Tightly To The Lens Without Gaps, Sturdy And Durable; 3. The Surface Is Treated With Automobile-Painting, And The Color Is Consistent With The Lens, Integrated With The Camera And Lens; Inner Diameter: 68Mm;&Nbsp;Weigh Is Still 140G. 4.&Nbsp; The Tripod Collar Bottom Is Added 55Mm Long Arca Fit Quick Release Plate Feature, Can Be Used With 39Mm Arca-Swiss Fit Tripod Ball Head, Panoramic Head And Clamp Directly; More Practical Than Lens Collars Without Qr-Plate; Also Reserved 1/4&Quot; Screw Holes And Stainless-Steel Anti-Slip Screw For Fixing Lens To Tripod Directly. Compatible With: Canon Ef 100Mm F/2.8L Is Usm Macro Lens Not Compatible With Canon Ef 100Mm F/2.8 Usm&Nbsp;Macro Lens Package Includes:&Nbsp; 1 X Ishoot Tripod Mount Ring For Canon Ef 100Mm F/2.8L Is Usm Macro Lens (Note:&Nbsp;The Other Items In The Photos Not Listed Here Are For Illustrating Only, Not Included)&Nbsp;
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.