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  1. Coronado - SolarMax II 40mm Filter with RichView™ Tuning with 5mm Blocking Filter

    Coronado - SolarMax II 40mm Filter with RichView™ Tuning with 5mm Blocking Filter

    Coronado by Meade SolarMax II Solar Filter set with RichView tuning system. Includes 40mm diameter primary H-Alpha etalon filter with sub 0.7 angstrom bandwidth and Blocking Filter ... Learn More
    Model#: SMF40-5
    $899.00

  2. Coronado SolarMax 90 .5A Telescope Package with BF15 and Sol Ranger

    DISCONTINUED: Coronado - SolarMax 90 .5A Telescope Package with BF15 and Sol Ranger - DISCONTINUED

    This is a discontinued item. We recommend the Coronado PST Telescope as a replacement.

    ...
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    Model#: 0.5SM90T15
  3. Coronado - Adapter Plate for Celestron 14 SM90

    Coronado - Adapter Plate for Celestron 14 SM90

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP145
    $1,012.00

  4. Coronado - Doublestack Adapter for SM60

    Coronado - Doublestack Adapter for SM60

    Coronado Adapter Plates for Double Stacking Filters are required for stacking a Coronado Double Stacking Filter onto an existing Coronado Solarscope ... Learn More
    Model#: AP186
    $75.00

  5. Coronado - 90mm Ha Narrowband Element Front Unit & TMax Tuner for Double Stacking - DISCONTINUED

    DISCONTINUED: Coronado - 90mm Ha Narrowband Element Front Unit & TMax Tuner for Double Stacking - DISCONTINUED

    This is a discontinued item. We recommend the Coronado SolarMax II SME-90 Double Stack Filter as a replacement.

    H-Alpha 90mm narrowband unit. Cannot be used without secondary interference filter

    ...
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    Model#: SM90
  6. Coronado - SolarMax II 60mm Filter with RichView™ Tuning with 30mm Blocking Filter

    Coronado - SolarMax II 60mm Filter with RichView™ Tuning with 30mm Blocking Filter

    Coronado by Meade SolarMax II Solar Filter set with RichView tuning system. Includes 60mm diameter primary H-Alpha etalon filter with sub 0.7 angstrom bandwidth and Blocking Filter ... Learn More
    Model#: SMF60-30
    $2,499.00

  7. Coronado - Adapter Plate for Borg 50 SM40

    Coronado - Adapter Plate for Borg 50 SM40

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP107
    $170.50

  8. Coronado - Adapter Plate for Takahashi FS-80 SM60

    Coronado - Adapter Plate for Takahashi FS-80 SM60

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP150
    $189.00

  9. new bf30

    Coronado - 30mm Blocking Filter

    The 30mm Blocking Filter is a 2" straight through design and comes with a 1.25" Zero Length reducer

    ...
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    Model#: BF30
    $1,599.00

  10. Coronado - T-Max 40

    Coronado - T-Max 40

    Coronado Doppler Tuning Unit for SM40 (T-Max 40)Some events on the Sun,- notably active flares and coronal mass ejections (CME), are extremely fast moving ... Learn More
    Model#: TMAX40
    $145.00

  11. Coronado - Adapter Plate for TeleVue 101 SM40 and TeleVue 102 SM40

    Coronado - Adapter Plate for TeleVue 101 SM40 and TeleVue 102 SM40

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP103
    $170.50

  12. SME-40

    Coronado Solarmax II - SME-40 Double Stack Filter

    Coronado Solarmax II SME-40 Double Stack Filter ... Learn More
    Model#: SME-40
    $599.00

  13. Coronado - Adapter Plate for TeleVue 85 SM40

    Coronado - Adapter Plate for TeleVue 85 SM40

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP114
    $170.50

  14. Coronado - Adapter Plate for Orion ST-120 SM90

    Coronado - Adapter Plate for Orion ST-120 SM90

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP158
    $297.00

  15. Coronado - 12mm,18mm,25mm Eyepiece and 2x Barlow and Travel Case

    Coronado - 12mm,18mm,25mm Eyepiece and 2x Barlow and Travel Case

     Coronado Cemax Eyepiece Set, 12mm, 18mm, 25mm, Barlow; 1.25"Coronado CEMAX Eyepiece set -  4 specialty eyepieces for use with Coronado H-alpha Solar Telescopes and filters. Complete set of three 1.25" diameter eyepieces with 2X Barlow ... Learn More
    Model#: CEP
    $279.00

  16. Coronado - Adapter Plate for Takahashi FC-100 SM90 and Takahashi FS-102 SM90

    Coronado - Adapter Plate for Takahashi FC-100 SM90 and Takahashi FS-102 SM90

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP126
    $207.90

  17. Coronado - Adapter Plate for Starfire 4 SM60

    Coronado - Adapter Plate for Starfire 4 SM60

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP125
    $207.90

  18. Coronado - Adapter Plate for TeleVue 85 SM90

    Coronado - Adapter Plate for TeleVue 85 SM90

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP165
    $170.50

  19. Coronado PST (

    Coronado - PST (<1A) Personal Solar Telescope

    The Coronado PST solar telescope is equipped to view the sun with security and safety in mind. Unlike other solar telescopes which use regular optics in conjunction with solar filters, the Coronado PST solar telescope has all its optics, both internal and external, solar oriented.

    ...
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    Model#: PST
    $699.00

  20. Coronado - Adapter Plate for Celestron 102FL SM90 and Vixen 102 FL SM90

    Coronado - Adapter Plate for Celestron 102FL SM90 and Vixen 102 FL SM90

    Coronado Solar Filter Adapter PlateMost telescopes will require a Coronado built adaptor plate in order to secure the MaxScope series filter to the objective cell. These plates are built by Coronado for most telescope up to 16" in diameter ... Learn More
    Model#: AP169
    $207.90

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Coronado has been developing ultra-narrowband filters and associated technologies for the professional market for over 40 years. Experience the Sun the Coronado way in the light of Hydrogen-Alpha (Ha) and open up a whole new world of astronomy! What's so interesting about Hydrogen-Alpha? The red light of H-Alpha with a wavelength of 656.3 nm (1 nm = 1 billionth of a meter) is a very prominent feature in the solar light spectrum since hydrogen makes up 75% by weight of the outer layers of the sun. This light shows us layers up to 1700 km above the sun's visible surface and is especially important for imaging the lower chromosphere.

The bright regions around sunspots, called plages, and brilliant solar flares are easily seen at this wavelength. Filaments, vivid string-like regions, and sunspots, large blotches on the solar surface, appear dark. Filaments on the solar limb appear bright against the blackness of space and are called prominences you have probably seen the stunningly beautiful images of. The Sun is active, ever changing, and constantly entertaining. See the Sun in a new light- the Coronado way!