About the Sigma 62mm UV EX DG Multi-Coated Glass Filter
UV filter cuts haze for sharper black and white prints and corrects the blues and violets in color prints. The multi-coated reduce reflection and is designed to be used with multi-coated lenses to protect and reduce excess UV. Multi coated UV filter designed for outdoor photo, portrait photo and snap shot photo. UV filter has a filter factor of zero and requires no change in exposure. Features: Eliminates haze Serves as a lens protector Multi Coated for flare prevention
