Filter Glass: Uses high quality Japanese "Asahi Glass" (AGC) and special polarizing film Applies with skillful bonding technique.
Filter ring: Uses high quality aluminium material with matt anodic oxidation process improves its hardness and resistance of wear which can reach to 250-500kg/mm2. It also has great resistance of heat and corrosion that prolongs the life of filter. Further more, after matt process, it reduces the effect of reflection.
Functions: Effectively removes unwanted refection on surfaces, producing great color saturation, making richer colors in leaves, sky, or seas. However, the color balance of original images will not be affected. It perfectly suits for split AF camera and digital camera.
H&Y 37mm UV (Ultra Violet) SPRO 1 Wide Band HD MC Silm Filter (Japan)