Lunt LS60THaDS60/B1200CPT H-alpha solar telescope View larger

Lunt LS60THaDS60/B1200CPT H-alpha solar telescope


New product

Complete H-alpha solar telescope with 60mm aperture and additional 60mm double-stack filter system. The telescope can be used with <0.7 Angstrom bandwidth or with <0.5 Angstrom bandwidth, both at the full aperture of 60mm!
With advanced air-pressure tuning system, B1200 blocking-filter, and Crayford focuser.


More details

Delivery In 2-4 Days*

£ 5,009.00 Tax included

1-5 Days UK Delivery*

Data sheet

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

More info

This telescope will be delivered with two matched Etalons, a internal Etalon and a external. The LS60THaDS60 could be used only with the internal H-alpha filter at <0.7 Angstrom, or together with the front mounted external H-alpha filter at <0.5 Angstrom bandwidth, at a free aperture of 60mm.

By reducing the bandwidth from estimated 0.7 Angstrom to 0.5 Angstrom more details on the solar surface will become visible. Adding a second Etalon to an existing Etalon is not quite as simple as it may seem. Both Etalons need to be brought on line (matched) and both need to be adjustable (Tuning) such that all ghosts images could be eliminated. Ideally the transmission curves should overlap perfectly when on band to provide for the best possible resolution and contrast. Both etalons in this system will be matched at the factory in order to provide a system that is both optimized for performance and the elimination of ghosting.

The internal Etalon of the telescope is equipped with the advanced air-pressure tuning system “Pressure-Tuner”. The Etalon of the external double-stack filter is provided with mechanical tilt-tuning system.

Blocking-filter is the B1200. The B1200 is good for visual solar observing, and also good for solar imaging.
The star diagonal in which the blocking filter is installed, is equipped as standard for 1.25" eyepieces and with a T2 camera connection.

Fine adjustment is achieved with a Crayford style focuser with 10:1 reduction.

Aperture: 60mm
Focal length: 500mm
Bandwidth: <0.7 Angstrom or <0.5 Angstrom
Tuning internal Etalon: air-pressure tuning system
Tuning double stack filter: tiltable Etalon
Blocking-filter: B1200 with 1.25" and T2 connection
Focuser: Crayford-style with 10:1 reduction
Tube-ring with 1/4-20 tapped base (standard thread for photo-tripods)
Weight: 3.9kg
Length: 48cm
LS60THa H-alpha telescope with internal Etalon, and 60mm aperture
Internal Etalon with Pressure Tuner system
External 60mm double-stack Etalon LS60FHa
B1200 blocking-filter in star-diagonal
2" Crayford focuser
Tube ring with 1/4-20 connection for mounting on photo-tripods
Transport case
Instruction manual

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