Hoya . XHD2-52UV

Features:Permanent Lens ProtectionSuperior ProtectionStrengthened High Density Glass8-layer Multi CoatingHoya's exclusive hardened optical glass technology makes this 1mm thick have 4 times the strength of normal optical glassExclusive 8-layer multi-coating for best in class light transmissionWater & Oil repellent, scratch & stain resistant, easy to cleanThin frameA multi-purpose fine-weather 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.Specifications:Type UV filterSize 72 mm Multi-Coated Yes, 8-layer Effect Absorbs UV rays Construction Optical glass Front Filter Thread Size 72 mm Front Lens Cap Size 72 mm Thickness 0.04" (1.0 mm)