The reason to use UV filter: First, there are basically three color sensitive layers, one sensitive to red light, one to green light and one to blue light. The blue layer not only responds to blue light, but also to UV light, so if there is a lot of UV around the blue sensitive layer gets extra exposure and the final image takes on a blue color. Second, since UV filters look clear and neutral to the naked eye, you can also use them as a protective filter which they leave on their lens at all times.

• Eliminate haze
• Block UV light
• Serves also as a lens protector

Eliminate hazeAmerica Digital Accessories