Prolite Full Color & White Balance Lens System with 110mm Disc Designed using a specially fomulated grooved board over a reflector lens, covered with a condenser, to give accurate color balance Carefully selected tones of white and gray do not fade Waterproof material is rugged, and capable of being carried anywhere For use with: Professional Video Cameras / Camcorders Digital SLR / ENG / Compact Cameras Digital Back Mount View Cameras, SLR Cameras Includes 110mm Disc, Lanyard, Protective Pouch, User Guide