This 37mm Ultra Violet (UV) Lens Filter absorbs the ultraviolet rays which often makes outdoor photographs hazy and indistinct. A multi-purpose・ fine-weather filter for color as well as black and white films. Also serves as a permanent lens protector. Aluminum material with black anodizing and CNC cutting・ lightweight and reliable.- Absorbs the ultraviolet rays which often makes photographs hazy and indistinct- Absorbs ultraviolet rays without an increase in exposure・ provides a clearer image- Multi-purpose・ fine-weather filter for color as well as black and white films- Protects your camera lens from dust・ moisture・ scratches and fingerprints