This adapter ring for the Mini Clamp-on Matte Box allows you to adapt the matte box to fit and clamp on to a cinema lens with an 80mm outside diameter. Simply slide the ring into the clamp on opening of the matte box and then attach to your lens.

Compatible with Mini Clamp-on Matte Box. 80mm Cinema Adapter Ring (Black) - Tilta 2 Year Limited Warranty.

Manufacturer: Tilta. Date First Available: March 23, 2021. Best Sellers Rank: #93 in Camera Lens Matte Boxes. Item model number: Cinema Adapter Ring. : B09BKD5KWP. Item Weight: 0.16 ounces. Product Dimensions: 5.9 x 4.7 x 3.1 inches.