【CARBON FIBER BOX & TOP FLAG】SmallRig Lightweight Matte Box 2660 is designed to block the sun or other light source in order to prevent glare and lens flare, with interchangeable mounting systems that suits cinema or DSLR lenses. The included carbon fiber top flag helps block veiling glare or bright reflections from striking your lens, and it can be folded down to cover the front of the matte box and provide protection to the front of your lens. | 【WIDE COMPATIBILITY】The matte box comes with a 114mm clamp that allows you to mount it directly onto 114mm cine lens, and the included 67 to 114mm, 72 to 114mm, 77 to 114mm, 82 to 114mm threaded adapter rings allow you to use the matte box with lenses of different diameters. | 【SUPPORTS TWO 4 X 4" OR 4 X 5.65" FILTERS】It accepts two 4 x 4 or 4 x 5.65" filters without the use of filter trays and includes four adapter rings to attach the matte box to the lens. The filters can be easily pushed out from the side without leaving fingerprints on the filters by unscrewing the top thumbscrew. | 【FOUR 1/4"-20 ACCESSORY THREADS】Weights Only 238g without the top flag, SmallRig 2660 suits small mirrorless or DSLR cameras and is made from durable but lightweight carbon fiber material. There are four 1/4"-20 threads on top of the matte box that allow you to mount additional accessories. | 【RECOMMENDED PRODUCTS】Separately available 95-114mm Adapter Ring SmallRig 2661 can be used for cine-style lenses, and Clamp-On Lens Adapter Ring Kit SmallRig 3408 is compatible with 80mm/85mm/95mm/110mm lens. Optional 15mm LWS rod clamp SmallRig 3411, together with 15mm LWS rods and 114mm silicone donut SmallRig 3409 supports 58-114mm lens. ND filters, please go for Lens Adapter Ring Set SmallRig 3410. For Side & Top Flag, please go for SmallRig 3597