Astronomik - CLS CCD Light Pollution Filter - 36mm Round Mounted in Low-Profile Non-Threaded Cell

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  • 92-percent transmission at 486 nm (H-beta)

  • 92-percent transmission at 496 nm (OIII)

  • 92-percent transmission at 501 nm (OIII)

  • 97-percent transmission at 656 nm (H-alpha)

  • Pass from 450 to 540 nm and from 640 to 690 nm

  • 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-8h00fh