Lunt LS100T Solar Telescope

100mm H-alpha Solar-Telescope with B1200 blocking filter

The Lunt LS100T Solar Telescope Ha is a refractor based system which has a precision aligned singlet chromatical lens with a 100mm aperture.

The front singlet lens reduce half the straylight of an achromat , fully eleminate the possibility for on axis coma, astigmatism, decentering aberrations and provides with the matched collimation lens set a full spherical corrected flat-field Solar-Telescope.

The focal length is 800mm providing a 7.3 mm image thru a 12 mm blocking filter. Course focus adjustment via a slide tube. Focusing is achieved with a High Precision 2" Starlight Feather Touch Frictionfocuser with the addition oft the 10:1 reduction standard. An internal etalon with tune adjustment allows for a <0.75 Angstrom bandpass.

Addionally the system may also be purchased with the 100mm external, front mounted Double Stack Etalon LS100FHa for a bandpass of <0.5 Angstrom.

Lunt LS100T Solar Telescope


  • Aperture: 100mm
  • Bandpass: <0.7 Angstrom
  • Focal length: 800mm
  • Blocking filter diameter: 12mm
  • 2" Feather-Touch focuser with 10:1 reduction
  • Tube diameter: 121mm
  • Tube length with blocking filter: 634mm
  • Weight: 5 kg
  • Delivered with order:
  • optical tube with 2" feather touch focuser with 2.5" travel, includes adapter
  • tube ring
  • B1200 blocking filter
  • dovetail
  • sol-searcher
  • transport case

Also available with an 18mm B1800, 34mm B3400 blocking filter.

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