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Lunt Solar Systems LS130MT H-alpha B3400 Allround OTA
Lunt LS130MT H-alpha solar telescope, B3400
The LS130MT is Lunt's largest universal solar telescope, built on a 130 mm FLP51 ED triplet. The internal Doppler True pressure-tuned etalon delivers observatory-class chromospheric detail; remove the solar module for a 130 mm f/7 ED triplet refractor.
Safety
Always use the telescope with its Lunt blocking filter in place; it is a dedicated solar instrument in H-alpha configuration.
Specifications
Telescope type
Universal day/night modular
Aperture
130 mm
Focal length
910 mm
Focal ratio
f/7
Objective
ED triplet, FLP51, ion-assisted broadband AR
Etalon
Internal, Doppler True barometric pressure tuning
Bandpass
0.45 Å single stack
Maximum magnification
225×
Weight
About 11.3 kg (25 lb)
Blocking filter
B3400 blocking filter
Focuser
Not stated for OTA
Manufacturer documentation
Lunt LS130MT
Compatibility notes B3400 clear aperture not stated on Lunt spec pages. Lunt LS130MT pages publish limited OTA-only data.
Reference
85173
Data sheet
Aperture
130 mm
Bandpass
0.45 Å single stack
Blocking filter
B3400 blocking filter
Etalon
Internal, Doppler True barometric pressure tuning
Focal length
910 mm
Focal ratio
f/7
Focuser
Not stated for OTA
Objective
ED triplet, FLP51, ion-assisted broadband AR
Weight
About 11.3 kg (25 lb)
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Lunt LS130MT H-alpha solar telescope, B3400 The LS130MT is Lunt's largest universal solar telescope, built on a 130 mm FLP51 ED triplet. The internal Doppler True pressure-tuned etalon delivers observatory-class chromospheric detail; remove the solar module for a 130 mm f/7 ED triplet refractor.
Manufacturer model: Lunt LS130MT H-alpha solar telescope, B3400 · Specifications checked against manufacturer data on 2026-11-03