Now with new-generation etalons — every unit individually tested on Lunt's precision metrology equipment. Every specification is verified, not estimated.

The LS60MT Premium Kit combines Lunt's universal day/night platform with double-stack H-alpha performance. The front-mounted LS50FHa tilt-tuned etalon works in series with the internal pressure-tuned module, delivering a combined system bandpass of <0.28Å and dramatically increasing chromospheric contrast over single-stack performance.

Two independently-tuned etalons working together reveal surface structure and Doppler detail that single-stack systems cannot resolve. The internal pressure-tuned module provides instant Doppler shifting across the entire field via Doppler True Barometric tuning, while the front-mounted tilt-tuned etalon adds the additional bandpass narrowing that makes double-stack views so compelling.

What You'll See

At <0.28Å combined bandpass through 60mm of aperture, the chromosphere comes alive with structure invisible at wider bandwidths. Plage boundaries sharpen into defined cellular networks. Filaments resolve into multi-strand structures with complex internal detail. Active regions reveal the full depth of their magnetic architecture. Prominences show threading, flow, and structural evolution from base to tip that single-stack instruments render as smooth featureless arcs.

By night, remove the solar module and double-stack filter and you have a premium 70mm f/6 FLP51 ED doublet refractor — lunar detail, planetary colour correction, and deep-sky capability all included in a single instrument.

Why This Package

The LS50FHa Double Stack filter is included. The B1200 blocking filter provides 12mm of clear aperture for full imaging capability. The 2" dual-speed focuser with 10:1 fine focus handles every accessory you own. The 6" Vixen dovetail provides the extended rail length to balance the system with the double-stack filter mounted. The zoom eyepiece covers every magnification you need in a single twist.

Package Includes

• LS60MT OTA: 70mm native aperture, 60mm H-alpha. 420mm f/6 FLP51 ED Doublet. Internal pressure-tuned etalon (Doppler True), 0.45Å bandpass. Modular design for day/night use. ~7 lbs.
• LS50FHa Double Stack: 50mm front-mounted tilt-tuned etalon. Combined system bandpass <0.28Å — LS50FHa (0.35Å) + internal PT (0.45Å) in series. No central obstruction. ~2 lbs.
• B1200 Blocking Filter: 1.25" diagonal housing, 12mm clear aperture. Imaging-ready.
• 2" R&P Focuser (10:1): Dual-speed with 10:1 fine focus. 55–60mm travel. 2.5–3 kg capacity. 2" compression ring with 1.25" adapter. ZWO EAF compatible.
• SunLock Solar Finder: Red dot projection onto glass reticle. Internal 3-point alignment screws. Red anodised aluminium.
• 6" Vixen Dovetail Plate: 150mm length, black anodised aluminium. Extended rail for balanced mounting with DS filter.
• Hard Case: Aluminium hard case with custom-fit foam insert.
• 7.2–21.5mm Zoom Eyepiece: 7 elements/4 groups. 0.1% AR coatings. 15mm eye relief. 53°–40° FOV. Near-parfocal.

Key Specifications

• H-Alpha Aperture: 60mm
• Native Aperture: 70mm (FLP51 ED Doublet)
• Focal Length: 420mm f/6 (native), f/7 (H-alpha)
• Etalon System: Internal pressure-tuned (Doppler True) + LS50FHa front-mounted tilt-tuned
• Single Stack Bandpass: 0.45Å — individually verified
• Double Stack Bandpass: <0.28Å combined — LS50FHa (0.35Å) + internal PT (0.45Å) in series
• Blocking Filter: B1200 (12mm clear aperture)
• Focuser: 2" R&P dual-speed 10:1, ZWO EAF compatible
• Eyepiece: 7.2–21.5mm zoom — 7 elements, 15mm eye relief, 0.1% AR
• Weight: ~7 lbs OTA + ~2 lbs DS filter
• Night Use: Yes — remove solar modules for 70mm f/6 FLP51 ED refractor
• Telescope Type: Universal day/night modular