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What is the color glass lens?

by:Eugenia     2020-08-28
Color lenses, also some people called 'photographic lenses. Because chemicals in lenses to join silver halide, let originally colorless lens, meets the glare, becomes colored lenses, for protection, so it is suitable for indoor and outdoor use. Color glass lens effect diagram change color lenses made of optical glass containing silver halide micro crystal, according to the principle of light color interconvert reversible reaction, can rapidly under the sunlight or ultraviolet light dimmed, fully absorb ultraviolet light and neutral for the visible light absorption; Back in the dark, can quickly restore colorless transparent. Color the main function of the lens color lenses is mainly used in the open, snow, indoor light source, the workplace, to prevent sunlight, ultraviolet light, dazzling glow to eye damage. In plain terms, it is a bright light, the inside of the silver halide variable and light into the dark silver particles. The advantages and disadvantages of color lenses, 1) High quality color lens surface, free from scratches, bruises, wool surface, pitting, welcomed optical lens oblique observation, degree of finish is extremely high. Inside the lens no spots, stones, stripes, bubble, crack, pervious to light and bright. ( 2) Two pieces of color glasses lens, lens must be the same quality and no difference color wants even, can't present several kinds of color, no 'color' of Yin and Yang; See the sunshine, color changing fast, no sunshine, the fading time faster. Inferior slow lens discoloration, fading fast, or become angry fast, slow fading. Poor color glasses does not change color. ( 3) BianSeJing two pieces of lens thickness should be consistent, not a thick, thin, otherwise, can affect vision, impair the health of the eyes. Single chip thickness is even, if it is color flat lenses, the thickness of about 2 mm advisable, smooth edges. ( 4) Without any feeling when wearing, not giddy eye bilges, observe objects is fuzzy, not out of shape. When buying, take glasses, monocular through the lens, see distant objects, move up and down the lens, distant objects move should not happen illusion. ( 5) Discoloration speed: high-quality BianSeJing, have rapid response ability to environment, put under sunlight BianSeJing about 10 minutes, which should reach big color depth, or discoloration of poor quality. Will have under the fluorescent color glasses to the dark, lens surgery for high-quality BianSeJing time no more than 20 minutes. ( 6) Protective u002c quality BianSeJing to 100% uv blocking A uv B, provide Dai Jingzhe effective uv protection.
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