SunSmart 15mm rod DSLR Support System Matte Box Lens Hood for Video and DSLR Cameras Adjustable height to fit different lens sizes and diameters from 43mm up to 82mm. Industry-standard 15mm lightweight (60mm spacing) rod mount. User friendly design that is easily removable, makes it a convenient carry-on kit. Blocks light in order to prevent glare and lens flare. Made of mostly plastics flags and black anodized aluminum tripod.