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Lunt Solar Systems LS100MT H-alpha Feather Touch B3400 Allround OTA
Lunt LS100MT H-alpha solar telescope, B3400 FT
The LS100MT is Lunt's 100 mm universal day-and-night modular telescope, built on an FPL53 ED triplet. The internal Doppler True pressure-tuned etalon gives uniform H-alpha bandpass; with the solar module removed it is a 100 mm f/7 apochromatic 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
100 mm
Focal length
714 mm
Focal ratio
f/7
Objective
APO triplet, FPL53, ion-assisted broadband AR
Etalon
Modular, Doppler True barometric pressure tuning; UV-grade fused silica
Etalon wavelength
656.28 nm
Bandpass
<0.45 Å single stack
Other modes
CaK 393.4 nm (2.2 Å) and white light with optional filters
Maximum magnification
175×
Mounting
CNC rings and Vixen-style dovetail
Weight
5.8 kg (12.7 lb)
Blocking filter
B3400 blocking filter
Focuser
Dual-speed Feather Touch
Manufacturer documentation
Lunt LS100MT
Compatibility notes B3400 clear aperture not stated on Lunt spec pages. MT/Allround version (100 mm FPL53 triplet, 714 mm), not the 102 mm f/6.5 doublet Standard Kit OTA.
Riferimento
78018
Scheda tecnica
Apertura
100 mm
Banda passante
<0.45 Å single stack
Filtro di blocco
B3400 blocking filter
Etalon
Modular, Doppler True barometric pressure tuning; UV-grade fused silica
Focale
714 mm
Rapporto focale
f/7
Focheggiatore
Dual-speed Feather Touch
Obiettivo
APO triplet, FPL53, ion-assisted broadband AR
Peso
5.8 kg (12.7 lb)
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Lunt LS100MT H-alpha solar telescope, B3400 FT The LS100MT is Lunt's 100 mm universal day-and-night modular telescope, built on an FPL53 ED triplet. The internal Doppler True pressure-tuned etalon gives uniform H-alpha bandpass; with the solar module removed it is a 100 mm f/7 apochromatic refractor.
Manufacturer model: Lunt LS100MT H-alpha solar telescope, B3400 FT · Specifications checked against manufacturer data on 2026-11-03