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
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.
Always use the telescope with its Lunt blocking filter in place; it is a dedicated solar instrument in H-alpha configuration.
| 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 |
LS80MT with B1200 blocking filter.
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