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Telescopio solare Lunt LS80THa senza Blocking Filter Visualizza ingrandito

Lunt LS80THA/CPT OTA H-Alpha solar telescope




Lunt LS80THA/CPT OTA H-Alpha solar telescope features 80 mm ED lens, 560 mm focal lenght F/7 and 0.7A internal Etalon filter. No blocking filter model.

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4 135,00 €

Ordered upon request

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LUNT LS80THa/CPT OTA (no blocking filter!)

H-alpha Solar Telescope with 80mm aperture and <0.7 Angstrom bandwidth, with advanced air-pressure tuning system, and Crayford 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 with a 2" Crayford style focuser with 10:1 reduction.

Technical data:
• 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

Delivered by order:
• 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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