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Filter Wheel Filters

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  1. FLI Research Grade 50mm Square Ha 8nm

    FLI - Research Grade 50mm Square Ha 8nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes.

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    Model#: RG-50S-Ha-8nm
    $495.00

  2. RG_50S_SII

    FLI - Research Grade 50mm Square Sulfur II - 8nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    Model#: RG-50S-SII
    $495.00

  3. RG_50S_OIII

    FLI - Research Grade 50mm Square Oxygen III - 8nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes.

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    Model#: RG-50S-OIII
    $495.00

  4. Optec - Johnson U (Ultra-Violet) filter for SSP-3 or SSP-5 with R6358 PMT

    Optec - Johnson U (Ultra-Violet) filter for SSP-3 or SSP-5 with R6358 PMT

    Optec - Johnson U (Ultra-Violet) filter ... Learn More
    Model#: 17031
    $85.00

  5. Optec - Sloan i´ filter for SSP-3 or SSP-5 photometer with R6358 PMT.

    Optec - Sloan i´ filter for SSP-3 or SSP-5 photometer with R6358 PMT.

    Optec - Sloan i´ filter ... Learn More
    Model#: 17029
    $125.00

  6. Optec - Sloan r'  filter for SSP-3 or SSP-5 photometer.

    Optec - Sloan r' filter for SSP-3 or SSP-5 photometer.

    Optec - Sloan r' filter ... Learn More
    Model#: 17028
    $125.00

  7. Optec - Sloan g' (acute); filter for SSP-3 or SSP-5 photometer.

    Optec - Sloan g' (acute); filter for SSP-3 or SSP-5 photometer.

    Optec - Sloan g' (acute); filter for SSP-3 or SSP-5 photometer. ... Learn More
    Model#: 17027
    $125.00

  8. FLI - 28mm B Research Grade Filter from UBVRI

    FLI - 28mm B Research Grade Filter from UBVRI

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-28D-B
    $290.00

  9. FLI - 28mm U Research Grade Filter from UBVRI

    FLI - 28mm U Research Grade Filter from UBVRI

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes.

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    (48 States)
    Model#: RG-28D-U
    $290.00

  10. FLI - 28mm I Research Grade Filter from UBVRI

    FLI - 28mm I Research Grade Filter from UBVRI

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-28D-I
    $345.00

  11. FLI 28mm R Research Grade Filter from UBVRI

    FLI - 28mm R Research Grade Filter from UBVRI

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    Model#: RG-28D-R
    $345.00

  12. FLI Research Grade 50mm Diameter Clear

    FLI - Research Grade 50mm Diameter Clear

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    Model#: RG-50D-C
    $120.00

  13. FLI - Research Grade 50mm Diameter Luminance IR

    FLI - Research Grade 50mm Diameter Luminance IR

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes.

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    (48 States)
    Model#: RG-50D-L
    $225.00

  14. FLI - Research Grade 50mm Diameter Ha 8nm

    FLI - Research Grade 50mm Diameter Ha 8nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-Ha-8nm
    $495.00

  15. Opticstar 1.25" LRGbB Filters  - 5 Set

    Opticstar - 1.25 " LRGbB Filter Set (5 filters)

    These filters are positioned 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#: OSRLRGB

    Regular Price: $60.00

    Special Price: $57.00

  16. Astrodon - RedCOn5_36R unmounted continum

    Astrodon - RedCOn5_36R unmounted continum

    Astrodon - RedCOn5_36R unmounted continum

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    (48 States)
    Model#: RedCOn5_36R
    $435.00

  17. QSI - Astronomik 1.25" Hydrogen-Alpha filter 6nm FWHM

    QSI - Astronomik 1.25" Hydrogen-Alpha filter 6nm FWHM

    Astronomik Hydrogen-Alpha filter with a bandpass of 6nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with the Astronomik LRGB Type IIc color filters shipped with QSI 500 Series cameras ... Learn More
    Model#: FL1-AS-HA6
    $199.00

  18. QSI - Astronomik 1.25" Hydrogen-Alpha filter 12nm FWHM

    QSI - Astronomik 1.25" Hydrogen-Alpha filter 12nm FWHM

    Astronomik Hydrogen-Alpha filter with a bandpass of 12nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with the Astronomik LRGB Type IIc color filters ... Learn More
    Model#: FL1-AS-HA12
    $129.00

  19. QSI - Astronomik 1.25" Dark Filter

    QSI - Astronomik 1.25" Dark Filter

    Astronomik 1.25" dark "filter". This is a threaded 1.25" filter cell with an opaque solid disk to prevent light from striking the CCD. It can be used for taking bias and dark frames without the use of a mechanical shutter ... Learn More
    Model#: FL1-AS-DARK
    $29.00

  20. 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

Items 41 to 60 of 220 total

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