Camera UV Ultra-Violet Filter 37,43,46,49,52,58,62,67,72 ... ,82mm Aluminium ring and Optical Glass Safeguard your len Ultra-Violet Filter( UV Filter) Item NumberTS-UVF01Dia dimension 37,43, ... moisture, fingerprints, scratches and damage Can filter and absorb ultra violet rays to create sharper contrasts to images, film of videotape ... and color films under bright sunshine. Camera UV Ultra-Violet Filter