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Items 21 to 40 of 998 total

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  1. Baader Planetarium - 50.8mm Round LRGBC Filters - UV/IR Cut L-Filter and Clear Filter

    Baader Planetarium - 50.8mm Round LRGBC Filters - UV/IR Cut L-Filter and Clear Filter

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    FREE SHIPPING
    (48 States)
    Model#: FLRGBC-RD50
    $749.00

  2. Baader Planetarium - 50.8mm Round LRGB Filters - UV/IR Cut L-Filter

    Baader Planetarium - 50.8mm Round LRGB Filters - UV/IR Cut L-Filter

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    FREE SHIPPING
    (48 States)
    Model#: FLRGB-RD50
    $690.00

  3. Baader Planetaruim - 36mm Round LRGBC Filters - UV/IR Cut L-Filter and Clear Filter

    Baader Planetaruim - 36mm Round LRGBC Filters - UV/IR Cut L-Filter and Clear Filter

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    FREE SHIPPING
    (48 States)
    Model#: FLRGBC-RD36
    $524.00

  4. Baader Planetarium - 36mm Round LRGB Filters - UV/IR Cut L-Filter

    Baader Planetarium - 36mm Round LRGB Filters - UV/IR Cut L-Filter

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    FREE SHIPPING
    (48 States)
    Model#: FLRGB-RD36
    $477.00

  5. Baader Planetarium - 2" LRGBC Filters - UV/IR Cut L-Filter and Clear Filter

    Baader Planetarium - 2" LRGBC Filters - UV/IR Cut L-Filter and Clear Filter

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    (48 States)
    Model#: FLRGBC-2
    $679.00

  6. Baader Planetarium - 2" LRGB Filters - UV/IR Cut L-Filter

    Baader Planetarium - 2" LRGB Filters - UV/IR Cut L-Filter

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    (48 States)
    Model#: FLRGB-2
    $619.00

  7. Baader Planetarium - 1.25" LRGBC Filters UV/IR Cut L-Filter and Clear Filter

    Baader Planetarium - 1.25" LRGBC Filters - UV/IR Cut L-Filter and Clear Filter

    Baader 1.25" RGB Filter Set with UV/IR Cut L-Filter and Clear Focusing Filter (Optically Polished) - Set of 5 filters.

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    (48 States)
    Model#: FLRGBC-1
    $427.00

  8. Baader Planetarium - 1.25" LRGB Filters - UV/IR Cut L-Filter

    Baader Planetarium - 1.25" LRGB Filters - UV/IR Cut L-Filter

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    (48 States)
    Model#: FLRGB-1
    $379.00

  9. FLI - 28mm Research Grade Filters - LRGB and UBVRI

    FLI - 28mm Research Grade Filters - LRGB and UBVRI

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    Model#: RG 28D Filters

    Starting at: $140.00

  10. FLI - Research Grade 28mm Luminance Filter

    FLI - Research Grade 28mm Luminance Filter

    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-L
    $140.00

  11. 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

  12. 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

  13. Astrodon - 50mm" Gen 2 Parfocal UV Blocked Clear Filter

    Astrodon - 50mm" Gen 2 Parfocal UV Blocked Clear Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

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    (48 States)
    Model#: C2_50R_Gen2
    $250.00

  14. Astrodon - 1.25" Gen 2 Parfocal UV Blocked Clear Filter

    Astrodon - 1.25" Gen 2 Parfocal UV Blocked Clear Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

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    Model#: C2-27R_gen2
    $140.00

  15. Astrodon - 50mm Gen 2 Unmounted Square Y Filter

    Astrodon - 50mm Gen 2 Unmounted Square Y Filter

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

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    (48 States)
    Model#: Y2-50S
    $440.00

  16. Astrodon - 50mm Gen 2 Unmounted Y Filter

    Astrodon - 50mm Gen 2 Unmounted Y Filter

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

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    (48 States)
    Model#: Y2-50R
    $400.00

  17. Astrodon - 1.25" Gen 2 Mounted Y Filter

    Astrodon - 1.25" Gen 2 Mounted Y Filter

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

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    Model#: Y2-27R
    $200.00

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

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 z_s Edge Blackened Square 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_s2-50S
    $440.00

  19. 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

  20. 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

Items 21 to 40 of 998 total

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