Lunt - 80mm H-Alpha Pressure Tuned Telescope - B1200 - Crayford

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The first step into intermediary solar observing, the Lunt Solar Systems LS80Tha Pressure Tuned Hydrogen-Alpha Telescope comes with a precision aligned 80mm ED doublet lens.
6 lbs
Manufactured by:
Lunt Solar Systems

Product Description

The Lunt LS80THa/PT  (PRESSURE TUNED)  is a  precision aligned ED Doublet lensed Refractor based scope with a fully un-obstructed 80mm optical aperture. This is a complete and dedicated Solar Telescope with a Focal Length of 560mm thru an included 12mm Blocking Filter and an Image Scale of 408. Image scale is calculated by the effective image size at the focal plane and the clear aperture of the scope. This package provides a significant step up into the Intermediary category of Solar Observing. The advanced technology of Doppler True Tuning permits fine adjustment of the center wavelength, allowing views of the Suns' disk and surface details at increased image scale. An Internal Module features an Optimized Collimation system to reduce off-axis aberration. Prominences, flares, super granulation, filaments, and active regions will be observed in spectacular detail!

The Lunt Solar True Doppler Tuning system allows for a shift into and away from the user adding a 3D-like component to the viewing experience. While it has minimal effect on proms due to their being at the edge of the disk, it does have an effect on filaments and active regions on the surface.  While looking at a filament at the center of the Sun the user has the ability to Doppler shift from the base of the filament to the tip. This allows for enhanced Visual and Imaging capability for the observer.

The LS80THa can be internally double stacked (see LS80Ha/PT/DSII) at time of purchase or anytime thereafter.  Internal Doublestacking provides a truly enhanced high definition view of the Suns' surface details. This truly revolutionary addition reduces the Bandpass to <0.5 Angstroms.    The LS80T/PT does not need to be returned to the factory for doublestacking.  

Lunt Solar Systems currently offers 4 blocking filter apertures for use with our Etalon systems. The Blocking Filter houses additional filters which are required for the safety and performance of the solar package.  Lunt Solar blocking filters contain a unique filter system. Lunt will only warranty safety or performance when a Lunt blocking filter is paired with a Lunt H-alpha filter or telescope.

  • A major step into intermediate solar observing, the Lunt Solar Systems LS80Tha Pressure Tuned Hydrogen-Alpha Telescope comes with a precision aligned 80mm ED doublet lens.
  • Internal etalon system with pressure tune adjustment that allows an internal <0.7 Angstrom bandpass.
  • The Lunt 80mm H-Alpha Telescope has a focal length of 560mm, and includes a Lunt B1200 (12mm) Blocking Filter.


LS80THa/PT Features: (single stacked)

  • Optical Aperture: 80mm (Unobstructed)
  • Etalon: Internal <0.7 Angstrom
  • Tuning: Internal Pressure Tune (Doppler True Tuning)
  • Focal Length: 560mm
  • F Ratio: 7
  • Focuser: 2″ Crayford 
  • Mounting: Integrated clamshell style with 1/4-20 tapped base
  • Storage: Aluminum finished hard case with fitted foam
  • Weight: 6lbs


Included Accessories: 

  • Sun Finder: Televue Sol Searcher
  • Mounting: Lunt 6″ Dovetail
  • Eyepiece: Lunt Zoom Eyepiece
  • Case: Aluminum Finished Hard Case with Custom Foam



Name Lunt - 80mm H-Alpha Pressure Tuned Telescope - B1200 - Crayford
Manufacturer Lunt Solar Systems
Model LS80THA/PT/B1200C
Aperture 80mm
Bandwidth 656.28nm
Collimation Cap internal optimized
Dovetail Compatibility Lunt
Eyepieces Lunt Zoom
Focal Length 560mm
Focal Ratio f/7
Focuser Crayford type
Objective precision aligned doublet
Optical Coatings hi contrast multi coating
Star Diagonal Lunt
Tube Ring Clamshell


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