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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

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

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

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

  7. 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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    FREE SHIPPING
    (48 States)
    Model#: OIII3-36R
    $650.00

  8. 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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    FREE SHIPPING
    (48 States)
    Model#: SII3-36R
    $650.00

  9. 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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    FREE SHIPPING
    (48 States)
    Model#: HA3-36R
    $650.00

  10. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 z_s Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 z_s Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

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    FREE SHIPPING
    (48 States)
    Model#: z_s2-50R
    $400.00

  11. Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z_s Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z_s Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

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    Model#: z_s2-27R
    $200.00

  12. TO -  BLACK POLYMER   8.5X11 Sheet

    TO - BLACK POLYMER 8.5X11 Sheet

    A lower cost alternative where lower magnification is used such as with binoculars, camera filters, finder scopes and small telescopes. Stronger than Mylar with the filtering properties protected within the substrate. Solar image is yellow-orange. Also available in sheets. Guaranteed 5 years.

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    Model#: BP85x11
    $30.00

  13. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Meade DS-16 Telescope

    Thousand Oaks Optical - R-G Solar Film Off-Axis 152mm\6.00", Outer Cell 485mm\19.12"

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    Model#: RG-19125A
    $129.00

  14. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Meade 16 S/C

    Thousand Oaks Optical -  R-G Solar Film Off-Axis 152mm\6.00", Outer Cell 447mm\17.62"

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    Model#: RG-17625A
    $119.00

  15. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Coulter 13.1 Telescope

    Thousand Oaks Optical - R-G Solar Film Off-Axis 152mm\6.00", Outer Cell 432mm\17.00"

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    Model#: RG-17000A
    $119.00

  16. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Meade 14 S/C Telescope

    Thousand Oaks Optical - R-G Solar Film Off-Axis 152mm\6.00", Outer Cell 406mm\16.00"

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    Model#: RG-16000A
    $109.00

  17. Thousand Oaks Optical R-G Solar Film Off-Axis

    TO - R-G Solar Film Off-Axis C-14 Fits: C-14 Telescope

    Thousand Oaks Optical - R-G Solar Film Off-Axis 153mm\6.00", Outer Cell 400mm\15.75"

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    Model#: RG-15750A
    $109.00

  18. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Orion 12.5 Telescopes

    Thousand Oaks Optical - R-G Solar Film Off-Axis 114mm\4,50", Outer Cell 387mm\15.25"

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    Model#: RG-15250A
    $99.00

  19. Thousand Oaks Optical R-G Solar Film Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Meade 12 S/C Telescopes

    Thousand Oaks Optical - R-G Solar Film Off-Axis 114mm\4.50", Outer Cell 349mm\13.75"

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    Model#: RG-13750A
    $99.00

  20. Thousand Oaks Optical Off-Axis R-G Solar Film

    TO - R-G Solar Film Off-Axis Fits: Meade Starfinder 10 & Coulter 10 Telescopes

    R-G Solar Film Off-Axis 101mm\4.00", Outer Cell 330mm\13.00" ... Learn More
    Model#: RG-13000A
    $89.00

Items 21 to 40 of 966 total

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