Versatile day-to-night system: swap from H-alpha solar views to nighttime astronomy in just minutes—no fuss, no compromises
130 mm triplet ED APO (Ohara FPL51) delivers crisp, high-contrast imaging for solar detail by day and planets/deep-sky by night
Internal etalon with True Doppler pressure tuning lets you sweep features on-band for that 3D-like pop in filaments and active regions
Visual-first package includes a B1200 blocking filter—ideal full-disk visual performance with room to grow
2" dual-speed rack & pinion focuser (10:1) provides precise, repeatable focus for both eyepieces and cameras
<0.65 Å bandpass (single stack) out of the box; add the optional LFPT internal double-stack module later to tighten to <0.45 Å
White-light ready: included 2" wedge + polarizer for high-contrast photosphere observing (sunspots, faculae, granulation)
Field-friendly build with cradle ring and built-in red-dot solar finder, 10" Vixen-style dovetail, and aluminum hard case for travel
A true “one-telescope” solution for solar outreach, imaging practice, and nighttime sessions—all under a 5-year Lunt warranty
Model / SKU: LS130MT-OBSERVER / LUN-LS130MT-OBSERVER
Optical Design: Triplet ED APO (Ohara FPL51)
Aperture: 130 mm
Focal Length / Ratio: 910 mm / f/7
Etalon / Bandpass: Internal H-alpha, <0.65 Å (single stack)
Tuning: Internal Pressure Tune (True Doppler Tuning)
Blocking Filter: B1200, 2" diagonal housing
Focuser: 2" dual-speed rack & pinion, 10:1 micro
Mounting: 9.5" rings and 10" Vixen-style dovetail
Tube Length (with BF): ~32"
Weight (OTA): ~25 lb
Configuration: Single etalon (double-stack optional via LFPT)
Warranty: Lunt 5 Years
LS130MT 130 mm f/7 H-alpha modular refractor with internal etalon
B1200 blocking filter (2" diagonal)
2" white-light wedge and 2" polarizing filter
1.25" nighttime diagonal and 2"–to–1.25" adapter
Lunt 27 mm flat-field eyepiece and Lunt 7–21 mm zoom eyepiece
Cradle ring assembly with built-in red-dot solar finder
10" Vixen-style dovetail
Aluminum hard case with fitted foam
Upgrade path: Add the LFPT internal double-stack module later to reach <0.45 Å bandpass for even higher-definition solar surface detail.
