Accessorize your camera and lens with an advanced filter system with the Lucroit 100mm Filter Holder Kit from Formatt Hitech. This version comes with a Canon EF 24-85mm f/3.5-4.5 USM Lens adapter ring that will allow you to connect the filter holder to the lens. Two snap-on filter holder slots are bundled for customizing your system and holding 100mm-type filters, also french flags and barndoors are included for controlling reflections and lens flare. The system is constructed from nylon with the exception of the adapter ring, which is made from aluminum alloy.