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  1. FLI - Research Grade 50mm Diameter LRGB filters

    FLI - Research Grade 50mm Diameter LRGB filters

    RG 50D LRGBFLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 50D LRGB
    $1,195.00

  2. FLI - Research Grade 50mm Diameter UBVRI filters

    FLI - Research Grade 50mm Diameter UBVRI filters

    RG 50D UBVRIFLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 5mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 50D UBVRI
    $1,495.00

  3. Lunt - 18mm Blocking filter 2 " - in extension tube with T2 and 2 " connection

    Lunt - 18mm Blocking filter 2 " - in extension tube with T2 and 2 " connection

    Indispensable in imaging systems due to the difficulty of many to visually see in CaK. Calcium K (Ca-K) Telescopes and Filters are used to study the wavelength of 393.4nm. This ... Learn More
    Model#: LS18CaKMDs2
    $1,194.00

  4. Lunt - 18mm Blocking Filter 2 " - in Star diagonal with T2 connection

    Lunt - 18mm Blocking Filter 2 " - in Star diagonal with T2 connection

    Primarily on imaging systems due to the difficulty of many to visually see in CaK. To be used on telescopes with ... Learn More
    Model#: LS18CaKMDd2
    $1,194.00

  5. Lunt - 50mm Ha Etalon-Filter-System with B1200 blocking filter for 1.25 "

    Lunt - 50mm Ha Etalon-Filter-System with B1200 blocking filter for 1.25 "

    The new Lunt Solar Systems LS50 Hydrogen-Alpha Filter incorporates a unique design feature which decreases chances of decontaction (breakage) and increases solar filter thermal stability ... Learn More
    Model#: LS50FHa1_B1200
    $1,646.00

  6. Lunt - 50mm Ha Etalon-Filter-System with B1200 blocking filter for 2 "

    Lunt - 50mm Ha Etalon-Filter-System with B1200 blocking filter for 2 "

    The new Lunt Solar Systems LS50 Hydrogen-Alpha Filter incorporates a unique design feature which decreases chances of decontaction (breakage) and increases solar filter thermal stability ... Learn More
    Model#: LS50FHa2_B1200
    $1,646.00

  7. Lunt - 50mm Ha Etalon-Filter-System with B1800 blocking filter for 1.25 "

    Lunt - 50mm Ha Etalon-Filter-System with B1800 blocking filter for 1.25 "

    The new Lunt Solar Systems LS50 Hydrogen-Alpha Filter incorporates a unique design feature which decreases chances of decontaction (breakage) and increases solar filter thermal stability ... Learn More
    Model#: LS50FHa1_B1800
    $1,996.00

  8. Lunt - 50mm Ha Etalon-Filter-System with B1800 blocking filter for 2 "

    Lunt - 50mm Ha Etalon-Filter-System with B1800 blocking filter for 2 "

    The new Lunt Solar Systems LS50 Hydrogen-Alpha Filter incorporates a unique design feature which decreases chances of decontaction (breakage) and increases solar filter thermal stability ... Learn More
    Model#: LS50FHa2_B1800
    $1,996.00

  9. Lunt - 50mm Ha Etalon-Filter-System with B600 blocking filter for 1.25 "

    Lunt - 50mm Ha Etalon-Filter-System with B600 blocking filter for 1.25 "

    The new Lunt Solar Systems LS50 Hydrogen-Alpha Filter incorporates a unique design feature which decreases chances of decontaction (breakage) and increases solar filter thermal stability ... Learn More
    Model#: LS50FHa1_B600
    $1,346.00

  10. Lunt - 50mm Ha Etalon-Filter-System with B600 blocking filter for 2 "

    Lunt - 50mm Ha Etalon-Filter-System with B600 blocking filter for 2 "

    The new Lunt Solar Systems LS50 Hydrogen-Alpha Filter incorporates a unique design feature which decreases chances of decontaction (breakage) and increases solar filter thermal stability ... Learn More
    Model#: LS50FHa2_B600
    $1,346.00

  11. Lunt - B3400 Blocking Filter 2 " - in extension tube with T2 and 2 " connection

    Lunt - B3400 Blocking Filter 2 " - in extension tube with T2 and 2 " connection

    The Lunt Solar Systems B3400 Blocking Filter is its own unique system unique located in ... Learn More
    Model#: B3400s2
    $1,798.00

  12. Lunt Solar Systems - Calcium Module (Ca-K) with B1200 Blocking Filter - Star Diagonal with T2 connection

    Lunt Solar Systems - Calcium Module (Ca-K) with B1200 Blocking Filter - Star Diagonal with T2 connection

    Calcium K (Ca-K) Telescopes and Filters are used to study the ... Learn More
    Model#: LS12CaKMDd2
    $1,018.00

  13. Optec - Astrodon UBRcIc filter set, 50mm diameter, 3mm thick.

    Optec - Astrodon UBRcIc filter set, 50mm diameter, 3mm thick.

    UVBRI filters have been the standard for photometric measurements for decades. They ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 19430
    $1,600.00

  14. Optec - IFW 3" Intelligent 3" Filter Selector System.

    Optec - IFW 3" Intelligent 3" Filter Selector System.

    To meet the needs of the ever increasing CCD size used in astro-imaging, ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 17360
    $1,295.00

  15. Optec - IFW Intelligent Filter Wheel LRGB Kit.

    Optec - IFW Intelligent Filter Wheel LRGB Kit.

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: IFW
    $1,600.00

  16. SBIG - Filter Wheel for 8300 for 36mm filters with ASTRODON - 36mm LRGB Filters

    SBIG - Filter Wheel for 8300 for 36mm filters with ASTRODON - 36mm LRGB Filters

    It is a single carousel design with a new filter retaining system that makes changing filters easier than with individual retaining screws for each filter. The carousel is also interchangeable for swapping out 5 filter sets all at the same time. The telescope side of the filter wheel has a round adapter plate with standard t-threads. This piece can easily be removed and replaced with an optional Nikon lens adapter.

    ...     Learn More
    FREE SHIPPING
    (48 States)
    Model#: FW5-8300_ASTRODON_36MM_LRGB_SET_B
    $1,195.00

  17. SBIG - Filter Wheel for 8300 for 36mm filters with ASTRODON 36mm LRGB Filters

    SBIG - Filter Wheel for 8300 for 36mm filters with ASTRODON 36mm LRGB Filters

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: FW5-8300_LRGB-E36R
    $1,195.00

  18. SBIG - FW5-STX Filter Wheel

    SBIG - FW5-STX Filter Wheel

    Filter wheel for STX series cameras, 5-position 65mm square filters.

    ...     Learn More
    FREE SHIPPING
    (48 States)
    Model#: FW5-STX
    $1,795.00

  19. TO - 16 " H-Alpha Filter OFF-AXIS

    TO - 16 " H-Alpha Filter OFF-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing superb .. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO16HAOA
    $1,059.00

Items 21 to 39 of 39 total

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