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  • CNC engraving and milling machine

    CNC engraving and milling machine

    On Oct 7,2021,Shandong Yanggu Constant Crystal Optic .Inc imported two sets of CNC engraving and milling machines ,it’s easy to make many kinds of shapes optical glass windows ,components . Any need ,you can send us your drawing ,we will quote you .
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  • SYCCO will attend 2021 CIOE  exhibition in Shenzhen City

    SYCCO will attend 2021 CIOE exhibition in Shenzhen City

    We SYCCO will attend 2021 CIOE exhibition in Shenzhen City on from Sep 16-18 ,our booth NO. is :3A07 . Wellcome to visit us !
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  • What’s optical filter?

    There are three types of optical filters: shortpass filters, longpass filters, and bandpass filters. A shortpass filter allows shorter wavelengths than the cut-off wavelength to pass through, while it attenuates longer wavelengths. Conversely, a longp...
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  • Optical window

    Optical Window is a mechanically flat, sometimes optically flat, depending on resolution requirements, ) piece of transparent (for a wavelength range of interest, not necessarily for visible light) optical material that allows light into an optical in...
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  • Advantages of Calcium Fluoride – CaF2 lenses and windows

    Calcium Fluoride (CaF2) can be used for optical windows, lenses, prisms and blanks in the Ultraviolet to Infrared region. It is a relatively hard material, being twice as hard as Barium Fluoride.  Calcium Fluoride material for Infra-red use is grown using naturally mined...
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  • Optical glass polishing technology

    Optical glass is finely ground by the grinding liquid,  optical glass surface has a crack layer for 2–3 m thickness, so the method of eliminating the crack layer is for polishing. The mechanisms of grinding and polishing are the same, except for the t...
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