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Light Pollution Filters

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  1. Celestron - LPR Filter (Model B - for back threads of SCTs)

    Celestron - LPR Filter (Model B - for back threads of SCTs)

    Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light.

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    Model#: CEL-94127A
    $89.00

  2. Optolong - CLS Filter - 2" Mounted

    Optolong - CLS Filter - 2" Mounted

    The Optolong CLS channel is ideal for both visual and photographic applications in light polluted locations. The City Light Suppression Filter's pass-band is more extensive than the famous UHC, or Ultra High Contrast channel, numerous astronomer experts favor its utilization when observing in mild to moderate light pollution.

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    Model#: CLS-200
    $85.00

  3. Optolong CLS Filter - 1.25" Mounted

    Optolong - CLS Filter - 1.25" Mounted

    The Optolong CLS channel is ideal for both visual and photographic applications in light polluted locations. The City Light Suppression Filter's pass-band is more extensive than the famous UHC, or Ultra High Contrast channel, numerous astronomer experts favor its utilization when observing in mild to moderate light pollution.

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    Model#: CLS-125
    $55.00

  4. Astronomik CLS CCD Light Pollution Filter - SC Rear Cell
  5. IDAS - Hutech - SCT Filter Adapter  with 48mm LPS-D1 Filter

    IDAS - Hutech - SCT Filter Adapter with 48mm LPS-D1 Filter

    This light pollution filter suppresses artificial light emission lines while preserving the emission lines from nebulae, therefore enhancing the view and image.

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    (48 States)
    Model#: LPS-D1-48SCT
    $265.00

  6. IDAS - Hutech - 50mm Unmounted LPS Filter

    IDAS - Hutech - 50mm Unmounted LPS Filter

    Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.

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    Model#: LPS-P2-50
    $189.00

  7. IDAS - Hutech - 36mm Unmounted LPS Filter

    IDAS - Hutech - 36mm Unmounted LPS Filter

    Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.

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    Model#: LPS-P2-36
    $189.00

  8. IDAS Hutech 31mm Unmounted LPS Filter

    IDAS - Hutech - 31mm Unmounted LPS Filter

    Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.

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    Model#: LPS-P2-31
    $189.00

  9. IDAS Hutech Light Pollution Suppression Filter 72mm

    IDAS - Hutech - Light Pollution Suppression Filter - 72mm

    This light pollution filter suppresses artificial light emission lines while preserving the emission lines from nebulae, therefore enhancing the view and image.

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    (48 States)
    Model#: LPS-D1-72
    $329.00

  10. IDAS Hutech Light Pollution Suppression Filter 52mm

    IDAS - Hutech - Light Pollution Suppression Filter - 52mm

    This light pollution filter suppresses artificial light emission lines while preserving the emission lines from nebulae, therefore enhancing the view and image.

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    Model#: LPS-D1-52
    $189.00

  11. Opticstar 2" Light Pollution Filter

    Opticstar - 2" Light Pollution Filter

    This Opticstar Light Pollution Filter improve contrast for all types of telescopes; especially effective on the Moon and planets where they will show additional detail.

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    Model#: OSRLPF2
    $76.00

  12. Opticstar 1.25" Light Pollution Filter

    Opticstar - 1.25" Light Pollution Filter

    This Opticstar Light Pollution Filter improve contrast for all types of telescopes; especially effective on the Moon and planets where they will show additional detail.

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    Model#: OSRLPF1
    $47.50

  13. Lumicon - Night Sky H-Alpha Filter  2"

    Lumicon - Night Sky H-Alpha Filter 2"

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above

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    Model#: LF3090

    Regular Price: $168.00

    Special Price: $119.95

  14. Lumicon - Night Sky H-Alpha Filter  1.25"

    Lumicon - Night Sky H-Alpha Filter 1.25"

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm.

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    Model#: LF3085

    Regular Price: $135.00

    Special Price: $95.95

  15. Celestron - UHC/LPR Filter - 2"

    Celestron - UHC/LPR Filter - 2"

    The new ultra high contrast (UHC) LPR filter has improved contrast over the typical broadband filters. Sky background is darker, and contrast of emission nebulae are noticeably improved.

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    Model#: CEL-94124
    $99.95

  16. Celestron - UHC/LPR Filter - 1.25"

    Celestron - UHC/LPR Filter - 1.25"

    The new ultra high contrast (UHC) LPR filter has improved contrast over the typical broadband filters. Sky background is darker, and contrast of emission nebulae are noticeably improved.

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    Model#: CEL-94123
    $74.95

  17. Optolong L-Pro Filter - 77mm Mounted

    Optolong - L-Pro Filter - 77mm Mounted

    The Optolong L-Pro filter is a multi-bandpass filter that functions admirably for visual and imaging use alike with CCD cameras and DSLR's.

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    (48 States)
    Model#: LPRO-77
    $289.00

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