Happily Serving You in the Same Location for Over 58 Years!

Welcome!

Filters

Items 1 to 20 of 49 total

per page
Page:
  1. 1

Set Descending Direction
  1. 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

    ...
    Learn More
    Model#: FSOL-1
    $97.00

  2. LS40ERF

    Lunt - 40mm Energy Rejection Filter

    High quality diffraction limited IR Cut Energy-Rejection-Filters for h-alpha solar filters.Unmounted filters only. ... Learn More
    Model#: LS40ERF
    $99.00

  3. LS50ERF

    Lunt - 50mm Energy Rejection Filter

    High quality diffraction limited IR Cut Energy-Rejection-Filters for h-alpha solar filters.Unmounted filters only. ... Learn More
    Model#: LS50ERF
    $109.00

  4. 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

    ...
    Learn More
    Model#: FSOL-2
    $159.00

  5. Lunt - Blocking Filter B600 in 1.25" Diagonal with T2 Connection

    Lunt - Blocking Filter B600 in 1.25" Diagonal with T2 Connection

    This 1.25" Lunt Solar Systems B600 Blocking Filter is housed in a star diagonal with a T2 connection.For best performance, be sure to pair your Lunt Solar Systems h-Alpha filter with the proper sized Lunt blocking filter ... Learn More
    Model#: B600d1
    $299.00

  6. Lunt - 100mm Energy Rejection Filter

    Lunt - 100mm Energy Rejection Filter

    Energy Rejection Filters (ERF's) reduce the heat load on your filter assembly by absorbing or reflecting ultra-violet and/or infra-red light

    ...
    Learn More
    Model#: LS100ERF
    $325.00

  7. 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-1
    $329.00

  8. Coronado - 5mm Blocking Filter

    Coronado - 5mm Blocking Filter

    The 5mm Blocking Filter is for use with any of the SolarMax series for telescopes with a focal length up to 500mm. It is a 1.25" right angled diagonal unit.

    ...
    Learn More
    Model#: BF5
    $329.00

  9. B600s1

    Lunt - 6mm Straight Thru Blocking Filter 1.25 " - in Extension Tube with T2 and 2 " Connection

    For telescopes with 1.25 inch focuserLunt Solar Systems currently offers 4 blocking filter apertures for use with our Etalon systems.The Blocking Filter houses additional filters which are required for the safety and performance of the solar package ... Learn More
    Model#: B600s1
    $348.00

  10. B600s2

    Lunt - 6mm Straight ThruBlocking Filter 2 " - in extension tube with T2 and 2 " connection

    For telescopes with 2 inch focuser. Lunt Solar Systems currently offers 4 blocking filter apertures for use with our Etalon systems.The Blocking Filter houses additional filters which are required for the safety and performance of the solar package ... Learn More
    Model#: B600s2
    $348.00

  11. Lunt - Blocking Filter B600 in 2" Diagonal with T2 Connection

    Lunt - Blocking Filter B600 in 2" Diagonal with T2 Connection

    This 2.00" Lunt Solar Systems B600 Blocking Filter is housed in a star diagonal with a T2 connection.For best performance, be sure to pair your Lunt Solar Systems h-Alpha filter with the proper sized Lunt blocking filter ... Learn More
    Model#: B600d2
    $348.00

  12. Coronado - 10mm Blocking Filter

    Coronado - 10mm Blocking Filter

    The 10mm 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 1000mm. It is a 1.25" right angled diagonal unit.

    ...
    Learn More
    Model#: BF10
    $499.00

  13. Lunt - 130mm Energy Rejection Filter

    DISCONTINUED: Lunt - 130mm Energy Rejection Filter

    High quality diffraction limited IR Cut Energy-Rejection-Filters for h-alpha solar filters.Unmounted filters only. Adapter plates we machine on request to customers need, please ask for a quote ... Learn More
    Model#: LS130ERF
  14. 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
    $587.00

  15. Lunt - Blocking Filter B1200 in 1.25" Diagonal with T2 Connection

    Lunt - Blocking Filter B1200 in 1.25" Diagonal with T2 Connection

    This 1.25" Lunt Solar Systems B1200 Blocking Filter is housed in a star diagonal with a T2 connection.For best performance, be sure to pair your Lunt Solar Systems h-Alpha filter with the proper sized Lunt blocking filter ... Learn More
    Model#: B1200d1
    $648.00

  16. Lunt - 12mm Straight Thru Blocking filter 1.25" - in Extension Tube with T2 and 2" Connection

    Lunt - 12mm Straight Thru Blocking filter 1.25" - in Extension Tube with T2 and 2" Connection

    The Lunt Solar Systems B1200 Blocking Filter is its own unique ... Learn More
    Model#: B1200s1
    $648.00

  17. Lunt - 12mm  Straight Thru Blocking Filter 2 " - in extension tube with T2 and 2 " connection

    Lunt - 12mm Straight Thru Blocking Filter 2 " - in extension tube with T2 and 2 " connection

    The Lunt Solar Systems B1200 Blocking Filter is its own unique system which houses ... Learn More
    Model#: B1200s2
    $648.00

  18. Lunt - Blocking Filter B1200 in 2" Diagonal with T2 Connection

    Lunt - Blocking Filter B1200 in 2" Diagonal with T2 Connection

    This 2.00" Lunt Solar Systems B1200 Blocking Filter is housed in a star diagonal with a T2 connection.For best performance, be sure to pair your Lunt Solar Systems h-Alpha filter with the proper sized Lunt blocking filter ... Learn More
    Model#: B1200d2
    $648.00

  19. Coronado - 15mm Blocking Filter

    Coronado - 15mm Blocking Filter

    ... Learn More
    Model#: BF15
    $699.00

  20. Lunt - Calcium Module with B600 Blocking Filter in Extension Tube with T2 Connection

    Lunt - Calcium Module with B600 Blocking Filter in Extension Tube with T2 Connection

    Calcium K (Ca-K) Telescopes and Filters are used to study the wavelength of 393.4nm.

    ...
    Learn More
    Model#: LS6CaKMDs
    $718.00

Items 1 to 20 of 49 total

per page
Page:
  1. 1

Set Descending Direction