William Optics STC Astro Duo-Narrowband Filter 48mm - YF-STC-ADN

William OpticsSKU: YF-STC-ADN
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Sale price$534 CAD
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Description

    STC Astro Duo-Narrowband filter can reduce the interference from artificial lighting in the city ,and enhance the wave length of Hα and OIII.

      IBAD (Ion beam-assisted deposition) coating technology makes the glass higher durability and easily cleaning, and preventing aging variation in optical spectral characteristics due to temperature and humidity change.

        Matte black anodized and Teflon-coated frame design eliminates flare and easy to install or remove from your lens

        Product Detail


        • Astro Duo-Narrowband filter is designed to capture specific wavelengths of gaseous and planetary nebulae. Of particular interest to astrophotographers is the Hα emission line at 656nm and OIII lines at 500nm, performing high transmissions and rejecting light pollution as well as the important blocking of longer wavelengths. It brings more detail and contrast in your image.
          The professional Ion Beam-assisted deposition and AR coating technology is applied on Schott optical glass to ensure higher durability and excellent image quality.

           


          Spectrum


          Specification


           

          Available Size 48mm, Clip Filter
          Material SCHOTT® B270 Optical Glass, Aluminum 6061 Rim
          Thickness 1mm Glass, 3.5mm Rim
          Water drop contact angle > 110°
          Origin Taiwan
          Passed RoHS 2.0

           

          Example Photo


          • Astro Duo-Narrowband
          • Astro Duo-Narrowband
          • Astro Duo-Narrowband
          • Astro Duo-Narrowband

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