Cokin 40.5mm Snap Filter Kit for Compact System Mirrorless Cameras, Includes Filter Holder, Adopter Ring, ND4 Filter, and Sunset Filter (A153 and A198) Designed to fit new Compact System Camera (CSC) or small DSLR, Snap! will introduce you to the Cokin creative galaxy. Snap! Kit includes all you need to begin : a ring, a filter-holder, one creative and one technical filter. Start shooting, now! Thanks to its light weight, Snap! system is easy to carry. Even attached on your CSC, it remains very comfortable to use and ergonomic. ND4 filter allows to slow shutter speed to achieve creative effects such as blurring water or clouds. Sunset filter is perfect to turn a bright sunny day into a beautiful sunset.