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Lunt Solar Systems LS80MT H-alpha B1200 R&P Allround OTA
Lunt LS80MT H-alpha solar telescope, B1200 R&P
The LS80MT is a universal day-and-night modular telescope built on an 80 mm FPL53 ED doublet. The internal Doppler True pressure-tuned etalon gives uniform bandpass across the field; remove the solar module for an 80 mm f/7 ED refractor at night.
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
80 mm
Focal length
560 mm
Focal ratio
f/7
Objective
ED doublet, 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
Blocking filter bandpass
6 Å
Other modes
CaK 393.4 nm (2.2 Å) and white light with optional filters
Sun finder
Red-dot sun finder handle
Mounting
CNC rings and Vixen-style dovetail
Weight
4.2 kg (9.25 lb)
Blocking filter
B1200 blocking filter, 1.25" diagonal, 12 mm clear aperture (to 1200 mm focal length)
Focuser
2" rack and pinion, 10:1 dual speed, ZWO EAF compatible
Manufacturer documentation
Lunt LS80MT
Compatibility notes LS80MT with B1200 blocking filter.
Reference
73870
Data sheet
Aperture
80 mm
Bandpass
<0.45 Å single stack
Blocking filter
B1200 blocking filter, 1.25" diagonal, 12 mm clear aperture (to 1200 mm focal length)
Etalon
Modular, Doppler True barometric pressure tuning; UV-grade fused silica
Focal length
560 mm
Focal ratio
f/7
Focuser
2" rack and pinion, 10:1 dual speed, ZWO EAF compatible
Objective
ED doublet, FPL53, ion-assisted broadband AR
Weight
4.2 kg (9.25 lb)
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Lunt LS80MT H-alpha solar telescope, B1200 R&P The LS80MT is a universal day-and-night modular telescope built on an 80 mm FPL53 ED doublet. The internal Doppler True pressure-tuned etalon gives uniform bandpass across the field; remove the solar module for an 80 mm f/7 ED refractor at night.
Manufacturer model: Lunt LS80MT H-alpha solar telescope, B1200 R&P · Specifications checked against manufacturer data on 2026-11-03