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Lunt LS60THaDS60/B1200FT H-alpha solar telescope

£5,196.00

Quick Overview

Lunt LS60THaDS60/B1200FT H-alpha solar telescope

Complete H-alpha solar telescope with 60mm aperture and additional 60mm double-stack filter system. The telescope can be used with <0.75 Angstrom bandwidth or with <0.55 Angstrom bandwidth, both at the full aperture of 60mm!
With B1200 blocking-filter, and Feather-Touch focuser.
0551266
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Lunt LS60THaDS60/B1200FT H-alpha solar telescope

Complete H-alpha solar telescope with 60mm aperture and additional 60mm double-stack filter system. The telescope can be used with <0.75 Angstrom bandwidth or with <0.55 Angstrom bandwidth, both at the full aperture of 60mm!
With B1200 blocking-filter, and Feather-Touch focuser.

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 <0.75 Angstrom, or together with the front mounted external H-alpha filter at <0.55 Angstrom bandwidth, at a free aperture of 60mm.

By reducing the bandwidth from estimated 0.75 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.

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 by a 2" Starlight-Instruments Feather-Touch focuser with 1.5" travel and 10:1 reduction.

FEATURES
Aperture: 60mm
Focal length: 500mm
Bandwidth: <0.75 Angstrom or <0.55 Angstrom
Tuning: tiltable Etalons
Blocking-filter: B1200 with 1.25" and T2 connection
Focuser: Starlight-Instruments Feather-Touch focuser with 10:1 reduction
Tube-ring with 1/4-20 tapped base (standard thread for photo-tripods)
Weight: 3.7kg
Length: 47cm
SCOPE OF DELIVERY
LS60THa H-alpha telescope with internal Etalon, and 60mm aperture
External 60mm double-stack Etalon LS60FHa
B1200 blocking-filter in star-diagonal
2" Feather-Touch focuser
Tube ring with 1/4-20 connection for mounting on photo-tripods
Transport case
Instruction manual

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