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2021/03/18
How is the blue glass filter made?
The blue light region of blue glass filter is located in the wavelength range of 440 -- 500nm. Pure blue corresponds to wavelengths of 470nm. Shorter wavelengths have a purplish-blue tinge, while long...
Optical filters have become inseparable from our lives
Today give you first introduce several common optical filter in our life, such as vision correction of myopia have minus reflection filter on the mirror, car mirrors with high reflection filter, widel...
How to extend the service life of optical glass?
Frequently keeping the optical glass clean will increase the life of the optical glass. Because pollution can cause many problems in the lens, the uneven distribution of the laser power during reflect...
What are the applications of infrared filters?
Infrared filter is mainly used in the field of security monitoring, infrared gas analyzer, night vision products, infrared detectors, infrared receivers, infrared sensing, infrared communication produ...
How does lens imaging work?
The lens is the basic optical element of the optical system of a microscope. The objective lens, eyepiece and condenser lens are all composed of single or multiple lenses. According to its shape, can ...