... surface quality 4. good reputation ir cut off filter1.wavelength:from 180nm to 2500nm 2.Surface ... .02mm5.Dimension according to the requirementOptical filter(ir cut off filter) : UV filter, skylight filter, red filter ... , infrared filter etc. Optical filter(ir cut off filter) is the kind of optical instrument which ... as follows: 1. Colorful optical ir cut off filter. There are various kinds of colors for ...