Designed for use with NiSi Swift System Cuts both UV rays below 390nm and IR rays above 700mn Retains Visible Light Spectrum Multi-Coating It is intended for use with cameras that do NOT have an IR filter installed in front of the sensor, for example, Black Magic Pocket and Red Cameras. Use with NiSi Swift System adapter ring or add on NiSi True color VND 1-5 stops The NiSi UV IR-Cut Filter is designed with the NiSi Swift System. It cuts UV rays below 390nm and IR rays above 700mn while retaining the visible light spectrum. This makes it ideal for use with cameras that do NOT have an IR filter installed in front of the sensor, for example, Black Magic Pocket and Red cameras. The multi-coating helps to make color balance for those cameras that dont have an IR filter when used with ND filters. The filter can be used with the Swift System adapter ring or added to the NiSi True Color VND 1-5 stops. The NiSi Swift System works seamlessly with the NiSi True Color 1-5 stop VND Variable ND filter allowing the capability to be expanded by adding extra filters simply by pressing them on the front of the NiSi True Color 1-5 stop VND Variable ND filter. Adding the NiSi UV IR-Cut Filter for the NiSi True Color VND Swift System, the NiSi True Color 1-5 stop VND Variable ND filter is expanded to a 1-5 VND filter with IR-CUT. Or use the NiSi NiSi UV IR-Cut Filter for the NiSi True Color VND Swift System with the optional adaptor ring (Sold separately) and attach it directory to a lens.