Lunt LS60THa/B1200FTPT H-alpha Solar Telescope View larger

Lunt LS60THa B1200 FTPT H-alpha Solar Telescope


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Lunt LS60THa/B1200FTPT H-alpha solar telescope.

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Data sheet

Optical Design Hydrogen Alpha (HA)
Aperture 35mm
Focal Length 400 mm
Optical Tube Length 13 inch

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The Lunt LS60THa is a complete Solar Telescope with 60mm aperture and 500mm focal length. An internal etalon with new air-pressure tuning adjustment allows for a <0.7 Angstrom bandwidth. This side mounted "Pressure Tuner" system allows a more precise Etalon adjustment than other systems. The “Pressure Tuner” system allows the Etalon to be adapted to varying altitudes and atmospheric pressures for constant optimal performance at differign atmospheric pressures.

With the matched Lunt eyepieces, specially tuned for hydrogen wavelengths, the LS60THa is fully corrected for on axis coma, astigmatism and de-centering aberrations and provides a full spherically corrected flat-field Solar-Telescope. the blocking filter on this particular instrument is the B1200, which provides a larger field for bothobserving and imaging. The star diagonal in which the blocking filter is mounted is an 1.25" fitting for eyepieces and also features a T2 camera connection.

Fine adjustment is achieved with a Starlight Instruments 2" Feather Touch focuser with 1.5" travel and 10:1 reduction.


Aperture: 60 mm

Focal length: 500 mm

Bandwidth: internal etalon with <0.7 Angstrom

Tuning: air-pressure tuning system Blocking Filter: B1200 with 1.25" and T2 connection

Focuser: Starlight Instruments Feather Touch with 10:1 reduction

 Weight: 3.1 kg

Length: 40 cm


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