Kodak 100 x 100mm CC40B Blue Color Compensating Wratten 2 Filter

The Kodak 100 x 100mm CC40B Filter is a blue color compensating filter that helps to control color balance by attenuating the red and green portions of the visible spectrum. By placing this filter in front of or behind the lens, you can alter the color balance of imagery or compensate for deficiencies in the spectral quality of a light source.