The Hoya NXT UV 49mm Filter absorbs the ultraviolet rays, which often makes outdoor photographs hazy and indistinct. This multi-purpose, all-around UV filter can serve as a permanent lens protector.
• 3-layer HMC multi-coated UV filter using optical glass that is precisely ground and polished for perfect flatness
• Heat resistant, high-transparency optical glass
• Precision milled low-profile aluminum frame.