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Home Telescopes Lunt Solar Telescopes Lunt LS60THa/B1200FTPT H-alpha Solar Telescope
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. Specifications:Aperture: 60 mmFocal length: 500 mmBandwidth: internal etalon with <0.7 AngstromTuning: air-pressure tuning system Blocking Filter: B1200 with 1.25" and T2 connectionFocuser: Starlight Instruments Feather Touch with 10:1 reduction Weight: 3.1 kgLength: 40 cm