CLS-CCD Light Pollution Filter clip EOS APS-C
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    • CLS-CCD Light Pollution Filter clip EOS APS-C

    Optolong CLS-CCD Clip Filter for Canon EOS APS-C

    155.00
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    Optolong CLS-CCD Clip Filter for Canon EOS APS-C

    Broadband light pollution filter for modified Canon APS-C DSLRs or CCD cameras. Enhances contrast of nebulae and deep-sky objects.

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    Optolong CLS-CCD Clip Filter for Canon EOS APS-C

    DESCRIPTION
    The Optolong CLS-CCD clip filter for Canon EOS APS-C is a broadband light pollution suppression filter designed for astrophotography in urban or suburban environments. It clips directly into Canon APS-C DSLR bodies. The CLS-CCD version includes infrared blocking from 700 to 1100 nm, making it suitable for use with modified DSLRs and color CCD cameras.

    The filter reduces the transmission of common artificial light wavelengths, including mercury and sodium vapor emissions, as well as atmospheric skyglow, while maintaining high transmission in key nebular emission lines: OIII (496/500 nm), H-beta (486 nm), NII (654/658 nm), H-alpha (656 nm), and SII (672 nm).

    The CLS-CCD significantly enhances contrast and visibility of faint emission and planetary nebulae, as well as supernova remnants. It can be used for both visual and photographic purposes. It does not eliminate light pollution or increase object brightness but improves sky contrast. Warning: never use this filter for solar observation.

    TECHNICAL SHEET

    • Manufacturer: Optolong

    • Model: CLS-CCD

    • Type: Broadband light pollution filter

    • Format: Clip-in for Canon EOS APS-C

    • IR blocking: 700–1100 nm

    • Transmission: ~80% at useful wavelengths

    • Passbands:

      • OIII (496 and 500 nm)

      • H-beta (486 nm)

      • NII (654 and 658 nm)

      • H-alpha (656 nm)

      • SII (672 nm)

    • Compatible with: Modified DSLRs and color CCD cameras

    • Glass: Schott

    • Coating: Multi-layer

    • Surface accuracy: λ/4

    • Usage:

      • Astrophotography of nebulae

      • Visual observation under light-polluted skies

    • WARNING: Not for solar observation

    Optolong CLS-CCD clip EOS