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  1. SBIG - Eight-Position Filter Wheel for ST-8300

    SBIG - Eight-Position Filter Wheel for ST-8300

    Features:Holds eight 36mm drop in filters for un-vignetted imaging at any f/ratio with the ST-8300 or ST-4000XM cameras.Small footprint:  6.3 x 8.1 inches ... Learn More
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    (48 States)
    Model#: FW8-8300
    $895.00

  2. SBIG 5-position 1.25" Filter Wheel without Filters for ST-7/8/9/10/2000 Cameras

    SBIG - 5-position 1.25" Filter Wheel without Filters for ST-7/8/9/10/2000 Cameras

    The CFW9 will be essentially the same size and shape as the current CFW8A to match the ST series camera body when directly bolted to the front

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    (48 States)
    Model#: CFW9
    $795.00

  3. QSI - Color Filter Wheel for 31mm Unmounted Filters (Upgrade)

    QSI - Color Filter Wheel for 31mm Unmounted Filters (Upgrade)

    Upgrade to five position color filter wheel for 500 Series ws and wsg models which accepts 31mm unmounted filters ... Learn More
    Model#: AC5-CFW31U
    $50.00

  4. QSI - Color Filter Wheel for 31mm Unmounted Filters

    QSI - Color Filter Wheel for 31mm Unmounted Filters

    Additional five position color filter wheel for 500 Series ws models. Accepts 31mm unmounted filters plus standard 1.25" filters. Ideal for quick change of additional filter sets

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    (48 States)
    Model#: AC5-CFW31
    $249.00

  5. QSI - Astrodon 1.25" SII filter 5 nm FWHM

    QSI - Astrodon 1.25" SII filter 5 nm FWHM

    Astrodon Sulfur II filter with a FWHM of 5nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB Gen2 color filters

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    (48 States)
    Model#: FL1-AD-SII5
    $320.00

  6. QSI - Astrodon 1.25" SII filter 3 nm FWHM

    QSI - Astrodon 1.25" SII filter 3 nm FWHM

    Astrodon Sulfur II filter with a FWHM of 3nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB Gen2 olor filters ... Learn More
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    (48 States)
    Model#: FL1-AD-SII3
    $480.00

  7. QSI - Astrodon 1.25" Red Continuum filter 5 nm FWHM

    QSI - Astrodon 1.25" Red Continuum filter 5 nm FWHM

    Astrodon Red Continuum filter centered on 645nm with a FWHM of 5nm. For use with internal color filter wheel in QSI 500 Series cameras ... Learn More
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    (48 States)
    Model#: FL1-AD-RC5
    $320.00

  8. QSI - Astrodon 1.25" OIII filter 5 nm FWHM

    QSI - Astrodon 1.25" OIII filter 5 nm FWHM

    Astrodon Oxygen III filter with a FWHM of 5nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB color filters

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    (48 States)
    Model#: FL1-AD-OIII5
    $275.00

  9. QSI - Astrodon 1.25" OIII filter 3 nm FWHM

    QSI - Astrodon 1.25" OIII filter 3 nm FWHM

    Astrodon Oxygen III filter with a FWHM of 3nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB color filters ... Learn More
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    (48 States)
    Model#: FL1-AD-OIII3
    $480.00

  10. QSI - Astrodon 1.25" NII filter 3 nm FWHM

    QSI - Astrodon 1.25" NII filter 3 nm FWHM

    Astrodon Nitrogen II filter with a FWHM of 3nm. For use with internal color filter wheel in QSI 500 Series cameras. This filter is parfocal with Astrodon LRGB Gen2 color filters ... Learn More
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    (48 States)
    Model#: FL1-AD-NII3
    $480.00

  11. QSI - Astrodon 1.25" luminance filter

    QSI - Astrodon 1.25" luminance filter

    Astrodon 1.25" Luminance Filter for QSI.

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    Model#: FL1-AD-L
    $145.00

  12. QSI - Astrodon 1.25" Hydrogen-alpha filter 5 nm FWHM

    QSI - Astrodon 1.25" Hydrogen-alpha filter 5 nm FWHM

    Astrodon Hydrogen-Alpha filter with a FWHM of 5nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB Gen2 color filters ... Learn More
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    (48 States)
    Model#: FL1-AD-HA5
    $320.00

  13. QSI - Astrodon 1.25" Hydrogen-alpha filter 3 nm FWHM

    QSI - Astrodon 1.25" Hydrogen-alpha filter 3 nm FWHM

    Astrodon Hydrogen-Alpha filter with a FWHM of 3nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB color filters ... Learn More
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    (48 States)
    Model#: FL1-AD-HA3
    $480.00

  14. QSI - Astrodon 1.25" BVRIc Photometric filters

    QSI - Astrodon 1.25" BVRIc Photometric filters

    Astrodon 1 ... Learn More
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    (48 States)
    Model#: FL1-AD-BVRI
    $780.00

  15. QSI - Additional Color Filter Wheel

    QSI - Additional Color Filter Wheel

    Additional five position color filter wheel for 500 Series ws and wsi models. Ideal for quick change of additional filter sets. Accepts all standard 1.25" filters ... Learn More
    Model#: AC5-CFW
    $199.00

  16. Orion UltraBlock Filter, 2 "

    Orion - UltraBlock Filter, 2"

    The UltraBlock is the filter for deep-sky observers located at highly light-polluted sites

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    Model#: 05657
    Orion Winter Accessory Extravaganza (ends Feb 16, 2016)!

    Regular Price: $131.99

    Special Price: $112.19

  17. Orion UltraBlock Filter, 1.25"

    Orion - UltraBlock Filter, 1.25"

    The UltraBlock is the filter for deep-sky observers located at highly light-polluted sites

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    Model#: 05654
    Orion Winter Accessory Extravaganza (ends Feb 16, 2016)!

    Regular Price: $105.99

    Special Price: $90.09

  18. Orion - SkyGlow Filter, 2"

    Orion - SkyGlow Filter, 2"

    SkyGlow Broadband Filter, 2 inch * The SkyGlow filter enhances deep-sky observing in moderately light-polluted skies * It blocks the most common wavelengths of light pollution for increased contrast and better views * SkyGlow improves the ... Learn More
    Model#: 05561
    Orion Winter Accessory Extravaganza (ends Feb 16, 2016)!

    Regular Price: $189.99

    Special Price: $161.49

  19. Orion - SkyGlow Filter, 1.25"

    Orion - SkyGlow Filter, 1.25"

    The SkyGlow filter enhances deep-sky observing in moderately light-polluted skies

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    Model#: 05559
    Orion Winter Accessory Extravaganza (ends Feb 16, 2016)!

    Regular Price: $136.99

    Special Price: $116.44

  20. Orion Safety Film Solar Filter for 6" Reflector Telescopes

    Orion - Safety Film Solar Filter for 6" Reflector Telescopes

    The Orion Safety Film Solar Filter for 6" Reflector Telescopes is made with high-quality Baader Astro Solar Safety Film, which is made specifically for safe observation of the Sun through a telescope.

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    Model#: 07748
    $44.99

Items 161 to 180 of 1194 total

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