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Light Pollution Filters

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  1. 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

    Regular Price: $50.00

    Special Price: $47.50

  2. 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#: 94123
    $64.50

  3. 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

    Regular Price: $80.00

    Special Price: $76.00

  4. 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. This includes mercury, and both high and low pressure sodium vapor lights. In addition, they block unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. sky glow). As a result, Celestron LPR Filters darken the background sky, making deep-sky observation and photography of nebulae, star clusters and galaxies possible from urban areas. LPR Filters are not used for lunar, planetary or terrestrial photography.

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    Model#: 94127A
    $89.00

  5. 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#: 94124
    $89.50

  6. 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

  7. 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

  8. 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

  9. 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

  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. 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

  12. IDAS - Hutech - SCT Filter Adapter Set with 48mm LPS-D1 Filter

    IDAS - Hutech - SCT Filter Adapter Set 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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    FREE SHIPPING
    (48 States)
    Model#: LPS-D1-48SCT
    $265.00

  13. 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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    FREE SHIPPING
    (48 States)
    Model#: LPS-D1-72
    $329.00

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