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Filters - Solar

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  1. 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
  2. Lunt 60mm H-Alpha Etalon for Double-Stacking on the LS-60

    Lunt - 60mm H-Alpha Etalon for Double-Stacking on the LS-60

    Use the double-stack technique to reduce bandpass and get the best

    ...
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    Model#: LS60FHa
    $1,498.00

  3. Lunt - Calcium Module with B600 Blocking Filter in Star Diagonal with T2 Connection

    Lunt - Calcium Module with B600 Blocking Filter in Star Diagonal with T2 Connection

    Calcium K (Ca-K) Telescopes and Filters are used to study the wavelength of 393.4nm. ... Learn More
    Model#: LS6CaKMDd
    $718.00

  4. 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

  5. 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

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    Model#: LS100ERF
    $325.00

  6. Lunt Calcium (Ca-K) Module with  B3400 Blocking Filter in Extension Tube with T2 Connection

    Lunt - Calcium (Ca-K) Module with B3400 Blocking Filter in Extension Tube with T2 Connection

    This Calcium-K module transforms your normal astronomical telescope into a Ca-K solar telescope. It will be very easy: Put the Ca-K module into the 2" focuser of your telescope, and you are ready for solar observing in the light of the Calcium-K wavelength.

    ...
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    Model#: LS34CaKMD
    $2,034.00

  7. 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

  8. 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

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