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  1. Coronado - SolarMax 140 Ha Filter and TMax Tuner and NO Blocking filter

    Coronado - SolarMax 140 Ha Filter and TMax Tuner and NO Blocking filter

    140mm aperture narrowband Ha filter with TMax tuner ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: SM140
    $14,999.00

  2. FLI - High Speed Filter Wheel for 10x25mm Round Filters

    FLI - High Speed Filter Wheel for 10x25mm Round Filters

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: HS-1025
    $4,895.00

  3. FLI High Speed Filter Wheel (10 x 32mm)

    FLI - High Speed Filter Wheel for 10x32mm Round Filters

    High-performance servo motors featuring rare Earth magnets coupled with backlash-free power transfer provide ultimate torque which translates to ultimate speed.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: HS-1032
    $4,895.00

  4. Lunt - 100mm Ha Etalon Filter

    Lunt - 100mm Ha Etalon Filter

    Introducing the LS100 Hydrogen-alpha system ... Learn More
    Model#: LS100FHa
    $5,498.00

  5. Lunt - 100mm Ha Etalon Filter with B1200 for 1.25" Focuser

    Lunt - 100mm Ha Etalon Filter with B1200 for 1.25" Focuser

    The new Lunt Solar Systems LS100 Hydrogen-Alpha Filter incorporates a unique design feature which

    ...
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    Model#: LS100FHA1/B1200
    $6,146.00

  6. Lunt - 100mm Ha Etalon Filter with B1800 for 1.25" Focuser

    Lunt - 100mm Ha Etalon Filter with B1800 for 1.25" Focuser

    The new Lunt Solar Systems LS100 Hydrogen-Alpha Filter incorporates a unique design feature ... Learn More
    Model#: LS100FHa1/B1800
    $6,496.00

  7. Lunt - 100mm Ha Etalon Filter with B600 for 1.25" Focuser

    Lunt - 100mm Ha Etalon Filter with B600 for 1.25" Focuser

    The new Lunt Solar Systems LS100 Hydrogen-Alpha Filter incorporates a unique design ... Learn More
    Model#: LS100FHa1/B600
    $5,846.00

  8. Lunt 100mm Ha Etalon Filter with B1200 for 2" Focuser

    Lunt - 100mm Ha Etalon Filter with B1200 for 2" Focuser

    The new Lunt Solar Systems LS100 Hydrogen-Alpha Filter incorporates a unique design feature ... Learn More
    Model#: LS100FHa2/B1200
    $6,146.00

  9. Lunt 100mm Ha Etalon Filter with B1800 for 2" Focuser

    Lunt - 100mm Ha Etalon Filter with B1800 for 2" Focuser

    The new Lunt Solar Systems LS100 Hydrogen-Alpha Filter incorporates a unique design feature

    ...
    Learn More
    Model#: LS100FHa2/B1800
    $6,496.00

  10. Lunt 100mm Ha Etalon Filter with B600 for 2" Focuser

    Lunt - 100mm Ha Etalon Filter with B600 for 2" Focuser

    The new Lunt Solar Systems LS100 Hydrogen-Alpha Filter incorporates a unique design feature which ... Learn More
    Model#: LS100FHa2/B600
    $5,846.00

  11. Lunt 100mm Ha Etalon Filter with B3400 for 2" Focuser

    Lunt - 100mm Ha Etalon Filter with B3400 for 2" Focuser

    The new Lunt Solar Systems LS100 Hydrogen-Alpha Filter incorporates a unique design feature

    ...
    Learn More
    Model#: LS100FHa2/B3400
    $7,296.00

  12. Coronado - SolarMax II 90mm Filter with RichView™ Tuning with 30mm Blocking Filter

    Coronado - SolarMax II 90mm Filter with RichView™ Tuning with 30mm Blocking Filter

    Coronado by Meade SolarMax II Solar Filter set with RichView tuning system. Includes 90mm diameter primary H-Alpha etalon filter with sub 0.7 angstrom bandwidth and Blocking Filter ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: SMF90-30
    $3,999.00

  13. Chroma filters

    Chroma Technology - 65mm x 65mm LRGB Filter and Ha/8-65 Set - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: HaLRGB-65S
    $3,495.00

  14. DayStar Filters Quantum Helium D3 0.4Å PE

    DayStar Filters - Quantum Helium D3 0.4Å PE Solar Filter

    With new advancements in technology, DayStar Filters announces a new filter system capable of capturing the helium emission line (5875.61Å), the second most abundant element in the universe!

    ...
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    FREE SHIPPING
    (48 States)
    Model#: HeD.4PE
    $12,000.00

  15. DayStar Filters Quantum Sodium D 0.4Å PE Solar Filter

    DayStar Filters - Quantum Sodium D 0.4Å PE Solar Filter

    The DayStar Sodium Na-D Filter system is designed for both visual users and photographers for sub-angstrom observations.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: NAD.4UNI
    $7,200.00

  16. DayStar Filters Quantum Helium D3 0.3Å PE Solar Filter

    DayStar Filters - Quantum Helium D3 0.3Å PE Solar Filter

    With new advancements in technology, DayStar Filters announces a new filter system capable of capturing the helium emission line (5875.61Å), the second most abundant element in the universe!

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: HeD.3PE
    $15,500.00

  17. DayStar Filters T-Scanner Calcium II H 5Å

    DayStar Filters - T-Scanner Calcium II H 5Å

    The DayStar Calcium H and Calcium K line filter system allows for observation of both 3969Å and 3933.7Å. The H-line (3969Å) is unique in that most solar research doesn't consider it in observation due to its close proximity to the Hydrogen Epsilon line.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: CH5ATS
    $4,000.00

  18. DayStar Filters T-Scanner Sodium D 0.4Å

    DayStar Filters - T-Scanner Sodium D 0.4Å

    Since sodium lines tend to be quite narrow, DayStar Filters has built a narrow filtering system of Sodium Na-D (5895.9Å) to accommodate this of <0.5Å to isolate the lines from continuum.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: NAD.4TS
    $4,500.00

  19. FLI - Research Grade UBVRI Filter Set - 65mm Square Unmounted

    FLI - Research Grade UBVRI Filter Set - 65mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer 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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    FREE SHIPPING
    (48 States)
    Model#: RG-65S-UBVRI
    $5,650.00

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