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  1. 50mm tunable H-alpha filter with 18mm blocking filter for scopes under 1800mm focal length Lunt 50mm tunable H-alpha filter with 18mm blocking filter for scopes under 1800mm focal length

    Lunt 50mm tunable H-alpha filter with 18mm blocking filter for scopes under 1800mm focal length

    $2,376.00
    This 50mm clear aperture Lunt H-alpha filter can be used to provide striking views of solar prominences and disk detail with virtually any telescope having a focal length under 1800mm . . .
  2. Lunt 50mm Ha Etalon Filter Lunt 50mm Ha Etalon Filter

    Lunt 50mm Ha Etalon Filter

    $1,188.00
    1 Review(s)
    The Lunt LS50FHa is a 50 mm aperture (no central obstruction) integrally tuned etalon for use on any customer-supplied refractor.
  3. 50mm tunable H-alpha filter 2" diagonal 18mm blocking filter for scopes under 1800mm focal length Lunt 50mm tunable H-alpha filter 2

    Lunt 50mm tunable H-alpha filter 2" diagonal 18mm blocking filter for scopes under 1800mm focal length

    $2,376.00
    This 50mm clear aperture Lunt H-alpha filter can be used to provide striking views of solar prominences and disk detail with virtually any telescope having a focal length under 1800mm . . .
  4. 50mm tunable H-alpha filter 2" diagonal 12mm blocking filter for scopes under 1200mm focal length Lunt 50mm tunable H-alpha filter 2

    Lunt 50mm tunable H-alpha filter 2" diagonal 12mm blocking filter for scopes under 1200mm focal length

    $1,961.00
    1 Review(s)
    This 50mm clear aperture Lunt H-alpha filter can be used to provide striking views of solar prominences and disk detail with virtually any telescope having a focal length under 1200mm . . .
  5. 50mm tunable H-alpha filter 6mm blocking filter 2" Diagonal for scopes under 600mm focal length Lunt 50mm tunable H-alpha filter 6mm blocking filter 2

    Lunt 50mm tunable H-alpha filter 6mm blocking filter 2" Diagonal for scopes under 600mm focal length

    $1,615.00
    This 50mm clear aperture Lunt H-alpha filter can be used to provide striking views of solar prominences and disk detail with virtually any telescope having a focal length under 600mm . . .
  6. LS50C Double Stack Etalon for the Lunt LS50THa Lunt LS50C Double Stack Etalon for the Lunt LS50THa

    Lunt LS50C Double Stack Etalon for the Lunt LS50THa

    $1,010.00
    1 Review(s)
    Do you want to bring the most out of your Lunt LS50THa Solar Telescope?  The addition of the Lunt LS50C might just be the item you are looking for. 
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