Nikon L37 UV Glass Filter for Lens with 46mm filter ring, suitable for all SLR camera lens with 46mm filter ring size, or Coolpix P-series digital cameras with suitable adapter ring.
UV filters absorbs the ultraviolet rays which often makes outdoor photographs hazy and indistinct. A muliti-purpose fine-weather filter for color as well as black and white films. Also serves as a permanent lens protector.
UV filters applied to the seaside, mountains, snow, and open areas such as the shooting environment and can weaken due to UV-induced blue hue. At the same time, a digital camera for example, ultraviolet light can also rule out the possibility of interference of the CCD to enhance clarity and color effects.
Nikon also has L37C filter, the difference is L37=single layer coating, L37c=muti layer coating
These Nikon 46mm L37 Glass Filters are brand new, full 2 years warranty.