Solar Filters

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  1. DayStar Filters - T-Scanner Sodium D 0.4Å

    $4,500.00
    SKU: DAY-NAD.4TS

    Ships in 3-5 Days

    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.

    FREE SHIPPING(48 States)
  2. Lunt - Calcium Module (Ca-K) with B1200 Blocking Filter - in Straight Thru 2" Tube with T2 & 2" connection

    $1,018.00
    SKU: LS1200CAKS

    In Stock

    Lunt Calcium K B1200 CAK Straight

    Calcium K (Ca-K) Telescopes and Filters are used to study the

  3. WHT - Safe Solar Eclipse Glasses (Eclipse Shades)

    SKU: ES-WHT

    In Stock

    Eclipse Shades Safe Solar Glasses are absolutely safe for direct solar viewing of solar eclipses sun spots and other solar phenomena. Using CE certified film, these glasses will block out harmful UV rays and filter the majority of visible light so you can comfortably view the Sun.  Sturdy board construction, these glasses easily fold up to fit in a pocket.  An inexpensive way to view the Sun.  Great for groups! 

  4. Orion - Solar Eclipse Safe Viewing Glasses - 5 Pack

    $12.99
    SKU: ORI-51907

    In stock

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

    $1,857.00
    SKU: DERF-180

    This item typically has a delivery time of 4-6 months. Place your order today to reserve.

    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
    FREE SHIPPING(48 States)
  6. Baader - D-ERF Energy Rejection Filter 160mm with IR-Cut Dielectric Coating

    $1,254.00
    SKU: DERF-160

    This item typically has a delivery time of 4-6 months. Place your order today to reserve.

    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
    FREE SHIPPING(48 States)
  7. Baader - K-Line Filter stacked 1.25" (incl. 3.8 AstroSolar 200x290mm Photo Film)

    $357.00
    SKU: CAK

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  8. Baader - 1.25" Solar Continuum Filter (540nm)

    $99.00
    SKU: FSOL-1

    In stock

    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

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

    $186.00
    SKU: FSOL-2

    In stock

    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

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

    $999.00
    SKU: DERF-135

    This item typically has a delivery time of 4-6 months. Place your order today to reserve.

    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
    FREE SHIPPING(48 States)
  11. Baader - Safety Cool Ceramic 2" Herschel Prism - VISUAL version

    $639.00
    SKU: HERSCH-V

    Ships in 3-5 Days

    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....
    FREE SHIPPING(48 States)
  12. Baader - 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"

    $729.00
    SKU: HERSCH-P

    Ships in 3-5 Days

    Baader Planetarium - Safety Baader Cool Ceramic Herschel Prism 2" with ClickLock 2" Clamp, PHOTOGRAPHIC version, incl
    FREE SHIPPING(48 States)
  13. Baader - D-ERF Energy Rejection Filter 90mm with IR-Cut Dielectric Coating

    $497.00
    SKU: DERF-90

    This item typically has a delivery time of 4-6 months. Place your order today to reserve.

    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
    FREE SHIPPING(48 States)
  14. Baader - D-ERF Energy Rejection Filter 110mm with IR-Cut Dielectric Coating

    $627.00
    SKU: DERF-110

    This item typically has a delivery time of 4-6 months. Place your order today to reserve.

    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
    FREE SHIPPING(48 States)
  15. Baader - AstroSolar maximum size, 117x117cm, Telescope Quality, ND = 5.0

    $337.00
    SKU: BAA-ASOLV-L

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  16. Baader - AstroSolar Safety Film 20x30cm, Telescope Quality, ND = 5.0

    $37.00
    SKU: BAA-ASOLV-S

    In Stock

    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

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

    $88.00
    SKU: BAA-ASOLV-M

    In Stock

    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

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

    $39.00
    SKU: CEL-94129

    In stock

    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.

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

    $39.00
    SKU: CEL-94135

    Out of Stock

    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.

    Out of stock

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

    $48.00
    SKU: CEL-94138

    In stock

    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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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.