Tiffen 37mm Photo/Video Essentials Filter Kit Clear Filter - Protects your valuable lens from dirt, scratches, & other damage without any color or exposure change to the subject Circular Polarizer - Increases the color saturation, providing deep blue skies on sunny days & greater cloud contrast - all while reducing reflection & glare from glass, water, & non-metallic objects 812 Color Warming Filter - An exclusive Tiffen filter that improves color of all skintones, absorbs blue cast often caused by electronic flash or outdoor shade. Adds warmth to pale, washed-out flesh tones. Ideal for portrait picture taking!