Kindly Note: 1. You'd better remove the IR-blocking filters in front of CCD or CMOS sensor when using IR filters 2. Setting the white balance3. If you don't want to do any transformation on your device, you can do some post processing after shooting to achieve the IR effect. In which ways the infrared filter will be used?1.Archaeology, Military,Police,Medical science,and detective work. Infrared filter allow normally invisible stains and modified items visible.2.Plant vegetation & Landscape photography. It looks dramatically different when photographed in Infrared.3.Photographic special effects.Infrared filters give the still and video photographer expressive and unusual effects. In what suitable light source should I use the infrared filters?IR filter can block all visible light under related wavelengths and very sensitive to utraviolet rays.590nm, 600nm and 630nm for Infrared change machine. The rich colors, custom white balance, the original film in general the sky was bright red, partial brown or amber, plant leaves, blue, sky blue saturation after post-processing, the leaves yellow or golden yellow.680nm for indoor and weak Shadows use.750nm for indoor and weak light use.760nm for cloudy outdoor at nightfall and brightness indoor. Specification:Lens Material: Optical Glass Ring Material: MetalFilter Coated: N/ATo Fit: Camera,CamcorderShape: CircularLens Filter backThread Size: 72mm,Front thread size (for lens cap) is 77mm Package including:1 x 72mm Adjustable Optical Infrared Filter