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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

    Available - Ships in 2-4 Days

    $89.00

  2. IDAS - Hutech - SCT Filter Adapter  Light Pollution Suppression with 48mm LPS-D1 Filter

    IDAS - Hutech - SCT Filter Adapter Light Pollution Suppression 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

    Available - Ships in 2-4 Days

    $265.00

  3. Astronomik CLS CCD Light Pollution Filter - SC Rear Cell

    Astronomik - CLS CCD Light Pollution Filter - SC Rear Cell

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    Model#: CLSCCD-SCT

    Available - Ships in 2-4 Days

    $199.95

  4. 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

    Available - Ships in 2-4 Days

    $55.00

  5. 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

    Available - Ships in 2-4 Days

    $85.00

  6. 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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    Model#: LPRO-77

    Available - Ships in 2-4 Days

    $289.00

  7. IDAS Hutech Light Pollution Suppression Filter 58mm

    IDAS - Hutech - Light Pollution Suppression Filter - 58mm

    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-D1-58

    Available - Ships in 2-4 Days

    $209.00

  8. IDAS Hutech Light Pollution Suppression Filter 62mm

    IDAS - Hutech - Light Pollution Suppression Filter - 62mm

    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-D1-62

    Available - Ships in 2-4 Days

    $279.00

  9. IDAS Hutech Light Pollution Suppression Filter 67mm

    IDAS - Hutech - Light Pollution Suppression Filter - 67mm

    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-D1-67

    Available - Ships in 2-4 Days

    $299.00

  10. 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

    Available - Ships in 2-4 Days

    $189.00

  11. 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

    Available - Ships in 2-4 Days

    $189.00

  12. 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

    Available - Ships in 2-4 Days

    $189.00

  13. 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

    In Stock

    $74.95

  14. 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

    In Stock

    $99.95

  15. 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

    Available - Ships in 2-4 Days

    $119.95

  16. 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

    In Stock

    $149.95

  17. 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

    Available - Ships in 2-4 Days

    $47.50

  18. 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

    Available - Ships in 2-4 Days

    $76.00

  19. 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

    Available - Ships in 2-4 Days

    $189.00

  20. 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

    Available - Ships in 2-4 Days

    $329.00

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