The factory production of optical filter, is to use coloured optical glass material, optical processing and surface vacuum coating, it has a specific spectral features.In photography is used when the factory production of optical glass, can obtain the ideal effect of photos.

          I plant production of black and white, color, effects of three types of optical filter, a total of more than 40 varieties, the specification has the M25, M27, M28, (, M30.5, M30, M43, M46, M49, M52, M55, M58 etc.If users need special requirements of optical filter, welcome to contact our factory.