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  1. IDAS - Hutech - 1.25" Jupiter and Saturn Methane Filter

    IDAS - Hutech - 1.25" Jupiter and Saturn Methane Filter

    This filter is used to image Jupiter and Saturn. The bandpass enhances contrast in the methane band.

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    FREE SHIPPING
    (48 States)
    Model#: BPF
    $395.00

  2. IDAS Hutech 28.6mm Nebular Filter II

    IDAS - Hutech - 28.6mm Nebular Filter II

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    Model#: LPS-V4-28.6
    $189.00

  3. IDAS Hutech 28.6mm Nebula Filter

    IDAS - Hutech - 28.6mm Nebula Filter

    "A chain is only as good as its weakest link." This well-known truth applies to many "chains", including the optical chain, which includes a telescope, eyepiece, and filter.

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    Model#: LPS-V3-28.6
    $59.00

  4. IDAS - Hutech - LRGB set (31mm unmounted) for QSI 500 series

    IDAS - Hutech - LRGB set (31mm unmounted) for QSI 500 series

    Hutech LRGB filter set for QSI 500 series cameras.

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    FREE SHIPPING
    (48 States)
    Model#: RS-31
    $575.00

  5. FLI - 7 position CFW (for 65mm square filters)

    FLI - 7 position CFW (for 65mm square filters)

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    (48 States)
    Model#: CFW-10-7
    $2,795.00

  6. Astrodon - Narrowband - 36mm Unmounted OIII 3 nm Filter

    Astrodon - Narrowband - 36mm Unmounted OIII 3 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

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    (48 States)
    Model#: OIII3-36R
    $650.00

  7. Astrodon - Narrowband - 36mm Unmounted SII 3 nm Filter

    Astrodon - Narrowband - 36mm Unmounted SII 3 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

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    (48 States)
    Model#: SII3-36R
    $650.00

  8. Astrodon - Narrowband - 36mm Unmounted H-Alpha 3 nm Filter

    Astrodon - Narrowband - 36mm Unmounted H-Alpha 3 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

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    (48 States)
    Model#: HA3-36R
    $650.00

  9. Opticstar - 1.25" High Transparency Imaging Filters

    Opticstar - 1.25" High Transparency Imaging Filters

    These high transparency filters from Opticstar are placed within a thin metal ring with a full 26mm clear aperture that threads into the barrel of any standard 1.25" eyepiece or filter wheel that can accept 1.25" filters.

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    Model#: OSRHRGBI

    Regular Price: $150.00

    Special Price: $142.50

  10. Opticstar - 1.25" Infra-Red Cut-Off Imaging Filter

    Opticstar - 1.25" Infra-Red Cut-Off Imaging Filter

    For the use in CCD imaging this high-transmission filter will exclude any IR wavelengths beyond H-alpha showing a very steep desirable curve.

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    Model#: OSRIFIR

    Regular Price: $45.00

    Special Price: $42.75

  11. Opticstar - 2" Nebula Deep Sky Filter

    Opticstar - 2" Nebula Deep Sky Filter

    This Opticstar 2" eyepiece is suitable for both visual observation and imaging these are all-in-one high-transmission deep sky filters.

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    Model#: OSRIFNEB2

    Regular Price: $105.00

    Special Price: $99.75

  12. Orion - 2" Extra Narrowband Filter Set

    Orion - 2" Extra Narrowband Filter Set

    These specialized astrophotography filters pass select wavelengths and essentially block all other wavelengths of light, including light pollution, so you can capture images in less than ideal conditions.

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    Model#: 25545
    $969.95

  13. Orion - 2" Extra-Narrowband Hydrogen Alpha Filter

    Orion - 2" Extra-Narrowband Hydrogen Alpha Filter

    Filter for astrophotography transmits 90% of light at 656.3nm wavelength (H-alpha).

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    Model#: 05547
    $359.95

  14. Orion - 2" Extra-Narrowband Sulfur-II Filter

    Orion - 2" Extra-Narrowband Sulfur-II Filter

    Effectively blacken the background sky with extra-narrowband filters to produce striking, high-contrast astrophotography of emission nebulae. Orion's 2" Extra-Narrowband Sulfur-II Imaging Filter will do just that. It is ideal for use with monochrome CCD cameras like Orion's Parsec 8300M.

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    Model#: 05546
    $359.95

  15. IDAS - Hutech - 48mm Nebular Filter II

    IDAS - Hutech - 48mm Nebular Filter II

    The IDAS LPS-V4 filter is designed to provide maximum contrast between key astronomical emission lines and a light polluted sky. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable optical performance.

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    Model#: LPS-V4-48
    $189.00

  16. IDAS - Hutech - 52mm Nebular Filter II

    IDAS - Hutech - 52mm Nebular Filter II

    The IDAS LPS-V4 filter is designed to provide maximum contrast between key astronomical emission lines and a light polluted sky. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable optical performance.

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    Model#: LPS-V4-52
    $189.00

  17. IDAS - Hutech - 1.25" Venus Filter

    IDAS - Hutech - 1.25" Venus Filter

    This filter is used for imaging Venus (increases contrast for lower atmosphere cloud structures).

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    (48 States)
    Model#: VW-1
    $495.00

  18. IDAS Hutech 1.25" Mars Filter

    IDAS - Hutech - 1.25" Mars Filter

    This filter is used to image Mars. It enhances the visibility of atmospheric water vapor clouds.

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    (48 States)
    Model#: BE410
    $450.00

  19. IDAS Hutech 52mm UV/IR Blocking Filter

    IDAS - Hutech - 52mm UV/IR Blocking Filter

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    Model#: UIBAR-52
    $179.00

  20. IDAS - Hutech - 48mm (for 2") UV/IR Blocking Filter

    IDAS - Hutech - 48mm (for 2") UV/IR Blocking Filter

    "A chain is only as good as its weakest link." This well-known truth applies to many "chains", including the optical chain, which includes a telescope, eyepiece, and filter.

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    Model#: UIBAR-48
    $179.00

Items 1 to 20 of 986 total

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