Lunt 60mm Ha Etalon-Filter-System B600 blocking filter 1.25"

Manufactured by: Lunt Solar Systems
Model: LS60FHa1-B600


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Lunt 60mm Ha Etalon-Filter-System with B600 blocking filter for 1.25'' focuser

The LS60 Hydrogen-alpha filter system, LS60FHa1/B600, with 60mm aperture (no central obstruction) integrally tuned etalon for use on any refractor and many other telescopes. Because the LS60FHa has an estimated bandwidth of <0.7 Angstrom it is capable to providing high contrast views of both surface and edge detail.
The system includes the B600 blocking filter, which is usable for telescopes up to 540mm focal length. Larger blocking filters suitable for longer focal length are also optional available. The blocking filter is installed in a 90 star diagonal for 1.25" focuser. This diagonal is equipped with a reception for 1.25" eyepieces and a T2 camera connection.
Adding an additional available Double-Stack etalon system will reduce the bandwidth to ~<0.5 Angstrom.
Technical data:

  • Aperture: 60 mm
  • No central obstruction
  • Bandwidth: <0.7 Angstrom
  • Tuning: tiltable Etalon
  • Housing diameter: 95 mm
  • Length: 85 mm
  • Weight: 0.85 kg
  • Front thread: M90x1 female thread
  • Rear thread: M90x1 male thread
  • Blocking filter: B600 in diagonal for 1.25" focuser
  • Maximum focal length of telescope: 540 mm

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