Lunt LS50THa 50mm Dedicated H-Alpha Solar Telescope
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Up for sale is a fantastic, highly portable grab-and-go daytime setup: a Lunt 50mm Dedicated Hydrogen-Alpha Solar Telescope. Equipped with Lunt’s legendary Doppler True Barometric Pressure Tuning system, this scope lets you effortlessly tune the etalon across the entire aperture. Watch prominences erupt off the limb and surface filaments dynamically change with deep, rich contrast. This unit features the highly desirable B600 blocking filter upgrade, providing a larger visual sweet spot and a wider field of view than the base B400 model—making it excellent for full-disk solar viewing and imaging. Key Specifications & Features
- Aperture / Focal Length: 50mm unobstructed / 350mm (f/7)
- Tuning Method: Internal Pressure Tuner (Doppler True Barometric Tuning)
- Bandpass: <0.6Å Single Stack
- Optics: Custom doublet objective optimized at 656.28nm
- Blocking Filter: Upgraded B600 diagonal blocking filter (6mm clear aperture)
- Focuser: Standard 1.25" Helical Focuser
- Mounting: Single-scope CNC clamshell ring with standard Vixen-style dovetail bar
- Optics & Etalon: Clean and pristine. The pressure tuner seals perfectly, holding pressure exactly as it should to dial instantly onto the H-alpha line.
- Cosmetics: Excellent condition.
- Price include shipping in cont. USA. Will be packed securely for transit.
- Payment: Accepted via PayPal (please add 3% if using Goods & Services) or Zelle.
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