TIFFEN 37DEFK Deluxe Enhancing Filter Kit - 37mm UV Protector - Protects your valuable lens from dirt, scratches, &amp; other damage without any color or exposure change to the subject Circular Polarizer - Increases the color saturation, providing deep blue skies on sunny days &amp; greater cloud contrast - all while reducing reflection &amp; glare from glass, water, &amp; 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! Enhancing - Creates brighter, more saturated reds, browns &amp; oranges with minimal effect to other colors. Ideal for fall foliage, earthtone rock formations, rustic barns, etc.