Clear Filter (UV) - A UV Filter protects your camera's lens from scratches, dust, dirt, moisture and fingerprints, while reducing unwanted ultra-violet light. Leave it on your lens at all times. Reduces UV haze / fog

Circular Polarizer (C-PL) - Polarizer's let you achieve vibrant color saturation, reduce or eliminate glare and reflections from non-metallic objects and glass surfaces, and minimize haze. The filter can be rotated to determine the amount of reflection to be removed.