Fit additional lens sizes with the Mini Matte Box using this Matte Box Adapter Ring Kit from SmallRig. The kit includes 52, 55, 58, 62, and 86mm filter rings to adapt to the 95mm opening of the SmallRig Mini Matte Box 3196. They are made from durable aluminum and can also accommodate round filters, such as a circular polarizer or ND filter up to 92.5mm. They provide a secure clamp-on design to keep the matte box, camera, filters, and lens safe from drops or scratches.