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Solar Filters

Viewing the Sun safely doesn't have to be expensive! Solar filters are an economical way to take advantage of your current telescope but still see or photograph the Sun in awesome detail while keeping your eyes and camera safe.  Filters come in two basic types for solar observing and imaging: broadband and narrowband. Broadband filters are often referred to as white light filters because they allow the full color spectrum through but block out harmful UV rays creating a grayish white image of the Sun. White light filters are best suited to viewing sun spots and are the most economical choice. They come a wide range of sizes and individual sheets to fit any telescope or binoculars you might need Narrowband filters filter the Sun's light to a specific wavelength. For solar observing this is typically either H-Alpha or Calcium. These filters come in a limited range of apertures and, in many cases, require an adapter to attach to your existing telescope. Narrowband filters must also be paired with a blocking filter to reduce the intensity of the light before it reaches your eye or camera and usually sold as a set. H-Alpha filters provide a false color image of the Sun in an orange/yellow tint and enhance solar flares. Calcium filters produce a blue/violet image of the Sun and are typically best suited to imaging. Having trouble finding the ideal filter? Chat with us! We're here to help you choose.

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  1. Baader Planetarium - D-ERF Energy Rejection Filter 180mm with IR-Cut Dielectric Coating

    Baader Planetarium - D-ERF Energy Rejection Filter 180mm with IR-Cut Dielectric Coating

    Baader Planetarium D-ERF Energy Rejection Filter, 180mm with IR-Cut Dielectric CoatingBaader planetarium has introduced a new evolution in their premium energy rejection filters, from 70mm up to 180mm! These filters incorporate a new all-dielectric IR re ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DERF-180

    Available - Ships in 2-4 Days

    $1,857.00

  2. Baader Planetarium - D-ERF Energy Rejection Filter 160mm with IR-Cut Dielectric Coating

    Baader Planetarium - D-ERF Energy Rejection Filter 160mm with IR-Cut Dielectric Coating

    Baader Planetarium D-ERF Energy Rejection Filter, 160mm with IR-Cut Dielectric CoatingBaader planetarium has introduced a new evolution in their premium energy rejection filters, from 70mm up to 180mm! These filters incorporate a new all-dielectric IR re ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DERF-160

    Available - Ships in 2-4 Days

    $1,254.00

  3. Baader Planetarium - K-Line Filter stacked 1.25" (incl. 3.8 AstroSolar 200x290mm Photo Film)

    Baader Planetarium - K-Line Filter stacked 1.25" (incl. 3.8 AstroSolar 200x290mm Photo Film)

    The New Baader Planetarium Calcium K-Line Filter makes imaging of the sun in K-Line accessible to anyone with a telescope and digital camera or webcam ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: CAK

    Available - Ships in 2-4 Days

    $357.00

  4. Baader Planetarium - 1.25" Solar Continuum Filter (540nm)

    Baader Planetarium - 1.25" Solar Continuum Filter (540nm)

    Baader Planetarium Solar Continuum Filter (540nm) 1.25"The new Baader Solar Continuum filter is designed to enhance the visibility of solar granulation and sunspot details

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    Model#: FSOL-1

    In Stock

    $99.00

  5. Baader Planetarium - 2" Solar Continuum Filter (540nm)

    Baader Planetarium - 2" Solar Continuum Filter (540nm)

    Baader Planetarium Solar Continuum Filter (540nm) 2"The new Baader Solar Continuum filter is designed to enhance the visibility of solar granulation and sunspot details

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    Model#: FSOL-2

    In Stock

    $186.00

  6. Baader Planetarium - D-ERF Energy Rejection Filter 135mm with IR-Cut Dielectric Coating

    Baader Planetarium - D-ERF Energy Rejection Filter 135mm with IR-Cut Dielectric Coating

    Baader Planetarium D-ERF Energy Rejection Filter, 135mm with IR-Cut Dielectric CoatingBaader planetarium has introduced a new evolution in their premium energy rejection filters, from 70mm up to 180mm! These filters incorporate a new all-dielectric IR re ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DERF-135

    Available - Ships in 2-4 Days

    $999.00

  7. Baader Planetarium - Safety Cool Ceramic 2" Herschel Prism - VISUAL version

    Baader Planetarium - Safety Cool Ceramic 2" Herschel Prism - VISUAL version

    Baader Planetarium - Safety Cool Ceramic Herschel Prism 2" with ClickLock 2" Clamp, VISUAL version, incl 2" Neutral Density Filter3,0 and 2" Solar-Continuum Filter. The New Baader Planetarium 2" Herschel Safety Wedge Solar Prism offers the finest white.... ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: HERSCH-V

    Available - Ships in 2-4 Days

    $639.00

  8. Baader Planetarium - Safety Baader Cool Ceramic Herschel Prism 2" with ClickLock 2" Clamp, PHOTOGRAPHIC version, incl.4 ND-filter 2" 0,6/0,9/1,8/3,0 & Solar-Continuum Filter 2"

    Baader Planetarium - Safety Baader Cool Ceramic Herschel Prism 2" with ClickLock 2" Clamp, PHOTOGRAPHIC version, incl.4 ND-filter 2" 0,6/0,9/1,8/3,0 & Solar-Continuum Filter 2"

    Baader Planetarium - Safety Baader Cool Ceramic Herschel Prism 2" with ClickLock 2" Clamp, PHOTOGRAPHIC version, incl ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: HERSCH-P

    Available - Ships in 2-4 Days

    $729.00

  9. Baader Planetarium - D-ERF Energy Rejection Filter 90mm with IR-Cut Dielectric Coating

    Baader Planetarium - D-ERF Energy Rejection Filter 90mm with IR-Cut Dielectric Coating

    Baader Planetarium D-ERF Energy Rejection Filter, 90mm with IR-Cut Dielectric CoatingBaader planetarium has introduced a new evolution in their premium energy rejection filters, from 70mm up to 180mm! These filters incorporate a new all-dielectric IR rej ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DERF-90

    Available - Ships in 2-4 Days

    $497.00

  10. Baader Planetarium - D-ERF Energy Rejection Filter 110mm with IR-Cut Dielectric Coating

    Baader Planetarium - D-ERF Energy Rejection Filter 110mm with IR-Cut Dielectric Coating

    Baader Planetarium D-ERF Energy Rejection Filter, 110mm with IR-Cut Dielectric CoatingBaader planetarium has introduced a new evolution in their premium energy rejection filters, from 70mm up to 180mm! These filters incorporate a new all-dielectric IR re ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DERF-110

    Available - Ships in 2-4 Days

    $627.00

  11. Baader Planetarium - AstroSolar maximum size, 117x117cm, Telescope Quality, ND = 5.0

    Baader Planetarium - AstroSolar maximum size, 117x117cm, Telescope Quality, ND = 5.0

    Baader Planetarium AstroSolar Safety Film, maximum size- 117x117cm, Telescope Quality, ND = 5.0Baader Planetarium's AstroSolar™ Safety Film delivers white light views of the Sun that are unmatched by any other objective solar filter or material ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ASOLV-L

    Available - Ships in 2-4 Days

    $337.00

  12. Baader Planetarium - AstroSolar Safety Film 20x30cm, Telescope Quality, ND = 5.0

    Baader Planetarium - AstroSolar Safety Film 20x30cm, Telescope Quality, ND = 5.0

    Baader Planetarium AstroSolar Safety Film- 20x30cm, Telescope Quality, ND = 5.0Baader Planetarium's AstroSolar™ Safety Film delivers white light views of the Sun that are unmatched by any other objective solar filter or material

    ...
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    Model#: ASOLV-S

    In Stock

    $37.00

  13. Baader Planetarium - AstroSolar Safety Film 100x50cm, Telescope Quality, ND = 5.0

    Baader Planetarium - AstroSolar Safety Film 100x50cm, Telescope Quality, ND = 5.0

    Baader Planetarium AstroSolar Safety Film- 100x50cm, Telescope Quality, ND = 5.0Baader Planetarium's AstroSolar™ Safety Film delivers white light views of the Sun that are unmatched by any other objective solar filter or material

    ...
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    Model#: ASOLV-M

    In Stock

    $88.00

  14. Celestron - Solar Filter (for NexStar 4GT)

    Celestron - Solar Filter (for NexStar 4GT)

    Celestron Solar Filters are made with Baader Astro Solar Safety Film. Far superior than any existing glass, Mylar or polymer filters, they lead to brighter, sharper, and higher contrast images.

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    Model#: CEL-94129

    In Stock

    $39.00

  15. Celestron - Solar Filter (Firstscope 70EQ, 80AZ, 80EQ, NexStar 60, NexStar 80)

    Celestron - Solar Filter (Firstscope 70EQ, 80AZ, 80EQ, NexStar 60, NexStar 80)

    These filters are designed to work with our FirstScope 70 and FirstScope 80 telescope models. They also work with our NexStar 60 and NexStar 80 telescopes.

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    Model#: CEL-94135

    Available - Ships in 2-4 Days

    $39.00

  16. Celestron - Solar Filter (for C4-R, Firstscope 102AZ)

    Celestron - Solar Filter (for C4-R, Firstscope 102AZ)

    These filters are designed to work with our Advanced Series C4-R and NexStar 102 telescope models. Celestron Solar Filters are made with Baader Astro Solar Safety Film

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    Model#: CEL-94138

    In Stock

    $48.00

  17. Celestron - Solar Filter for AstroMaster 76, PowerSeeker 76

    Celestron - Solar Filter for AstroMaster 76, PowerSeeker 76

    Celestron Solar Filters are made with Baader Astro Solar Safety Film. Far superior than any existing glass, Mylar or polymer filters, they lead to brighter, sharper, and higher contrast images.

    ...
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    Model#: CEL-94227

    Available - Ships in 2-4 Days

    $33.95

  18. Celestron - Solar Filter for NexStar SLT 80

    Celestron - Solar Filter for NexStar SLT 80

    You can see detail in sunspots, bright faculae near the limb and the mottled areas known as granules with these filters. The Sun offers constant changes and will keep your observing interesting and fun. Even small aperture telescopes can enjoy features of the Sun.

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    Model#: CEL-94233

    Available - Ships in 2-4 Days

    $33.99

  19. Coronado - 15mm Block Filter: Straight Through

    Coronado - 15mm Block Filter: Straight Through

    The 15mm Blocking Filter is for use with any of the SolarMax series filters it is optimised to provide a full disc image on telescopes with a focal length up to 1,500mm. It is a 1.25" right angled diagonal unit ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: BF15ST

    Available - Ships in 2-4 Days

    $870.00

  20. Coronado - Doublestack Adapter for SM40

    Coronado - Doublestack Adapter for SM40

    Coronado Adapter Plates for Double Stacking Filters are required for stacking a Coronado Double Stacking Filter onto an existing Coronado Solarscope. They are designed to specifically fit their matching Coronado Double Stack Filter counterpart ... Learn More
    Model#: AP185

    Available - Ships in 2-4 Days

    $75.00

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