The canon fs h37u 37mm filter set includes a neutral density nd 8 filter an mc protector filter and a soft case the fs h37u filter kit will help you both protect the expensive investment you made in your compatible canon camera as well as take better pictures under more challenging lighting conditions the canon fs h37u filter set is designed to work specifically with canons dc40 hv10 optura 10 and optura 20 37 millimeter cameras