Camera filters provide a range of optical filtering effects for various scientific, research, and industrial cameras. Many styles are used for color balancing, matching CCD or other sensor sensitivity ranges, emphasizing or blocking ranges of spectra such as ultraviolet, infrared, or portions of the visible spectrum (colors).  Camera filters are available in many styles include ultraviolet clear, visible pass, visible block, infrared pass, infrared block, light balance, linear polarizer, circular polarizer, neutral density, sky, color correction, warming, and cooling.