Astronomik - H-Alpha 12nm CCD Filter - 36mm Round Mounted in Low-Profile Non-Threaded Cell

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  • Transmission of over 97-percent with the H-alpha line (656 nm)

  • Complete blocking from all disturbing wavelengths in the infrared

  • Parfocal with other Astronomik filters

  • Glass thickness: 1 mm

  • Cell thickness: 3 mm

  • Completely resistant against high humidity, scratches and aging effects

  • Diffraction limited, the filter will not reduce the optical performance of your telescope!

  • Astronomik filters are delivered in a high-quality, long lasting, filter box

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SKU: ASN-HA12-36