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Lunt LS80THa/FTPT OTA no blocking filter!

£4,308.00

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Lunt LS80THa/FTPT OTA no blocking filter!

H-alpha Solar Telescope with 80mm aperture and <0.7 Angstrom bandwidth, with advanced air-pressure tuning system, and Feather-Touch focuser. Will be delivered without blocking-filter, can only be used with additional blocking-filter!
0551301
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Lunt LS80THa/FTPT OTA no blocking filter!

H-alpha Solar Telescope with 80mm aperture and <0.7 Angstrom bandwidth, with advanced air-pressure tuning system, and Feather-Touch focuser. Will be delivered without blocking-filter, can only be used with additional blocking-filter!

This telescope will be delivered without blocking-filter. We offer many additional available blocking-filters in various sizes, in 90° star-diagonal, or straight extension-tube. You can use all these blocking-filters at this telescope.
PLEASE NOTE: You can not use this telescope without additional blocking-filter!

The LS80THa is a telescope for observing the sun in H-alpha, a precision aligned ED refractor with 80mm aperture (no central obstruction) and 560mm focal length. An internal Etalon with advanced air-pressure tuning system “Pressure-Tuner” provides <0.7 Angstrom bandwidth. This “Pressure Tuner” system allows a more accurate Etalon adjustment than other systems. The “Pressure-Tuner” system adapted the Etalon to varying altitudes and atmospheric pressures for always optimal performance. The Etalon is installed safely inside the telescope-tube.
Fine adjustment is achieved by a 2" Starlight-Instruments Feather-Touch focuser with 1.5" travel and 10:1 reduction.

FEATURES
Aperture: 80mm (ED refractor, unobstructed)
Focal length: 560mm
Bandwidth: internal Etalon with <0.7 Angstrom
Tuning: air-pressure tuning system
Focuser: Starlight-Instruments Feather-Touch focuser with 10:1 reduction
Integrated 1/4-20 tapped base (standard thread for photo-tripods)
Dove tail bar with GP level for astronomical mounts
Weight: 4kg
SCOPE OF DELIVERY
LS80THa H-alpha solar telescope (without blocking-filter!)
Pressure-Tuner system
2" Feather-Touch focuser
1/4-20 connection and dove tail bar
LUNT zoom eyepiece
Sol-Searcher
Transport case
Instruction manual

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