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Lunt LS60THa 60mm f/8.33 double stack, 12mm blocking filter, Pressure Tune Feather Touch focuser

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Regular Price: $3,295.00

Special Price $2,995.00

Availability: In stock

This Lunt 60mm dual etalon (double stacked) solar telescope with a Feather Touch focuser upgrade provides very high resolution Hydrogen-alpha images of explosive solar flares and prominences as well as sunspot and surface features in exquisite detail . . .
Our Product #: LS60DSPT12
Lunt Solar Systems Product #: LS60T50DSB1200FTPT
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Product Description

  • LS60T/PT/C/DS50F/B1200
  • Sol Searcher (Optional Accessory)
  • Zoom Eyepiece (Optional Accessory)
  • A 60mm f/8.3 dedicated solar telescope with additional 50mm aperture secondary removable filter.
  • Dual etalons with pressure tuning allows for <0.5 Angstrom bandpass, providing 3D-like enhanced surface detail.
  • The LS60THa includes a Starlight Instruments Feather Touch Focuser and blocking filter, an aluminum case, and an externally mounted 50mm Ha filter.

The addition of a secondary front-mounted interference filter and the upgrade of the rear trimming filter transforms the Lunt LS60THa into a superb visually-enhanced instrument with the ability to also image the Sun utilizing basic camera equipment.
Adding the front filter provides a view of the Sun in virtual 3D. An active ball of churning boiling gasses that spew from the surface in what can be violent eruptions. Cause and effect can be viewed and imaged in real time.

An upgrade to the visual system, which comes standard with the pressure tuning system, puts a research grade instrument into the hands of the observer and the imager.

True Doppler Tuning (Pressure Tuning) 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, following the filament thru it’s structure toward you and away from you, allowing for enhanced visual and imaging capability for the observer as well as a research tool for the avid hobbyist. The pressure tuning system provides an order of magnitude more precision to the tuning of the desired features. Probably the only Solar Telescope you will ever need.

Package Features…

  • Ultra-Narrow Band Hydrogen-alpha (656.28 nm) Dedicated System.
  • A 60 mm refractor based system with additional 50 mm aperture secondary removable filter.
  • Dual etalons with Pressure Tuner allows for <0.5 Angstrom bandpass, providing 3D like enhanced surface detail.
  • The larger rear trimming filter allows for imaging with most basic camera equipment.
  • The system includes the clamshell with threaded holes for mounting, dust caps, and is delivered in 2 Aluminum re-enforced cases.

LS60THa (with Pressure Tuner & Double Stacked) Specifications:

  • Type: Dual Interference Etalon
  • Tuning: Internal Pressure Tune (Doppler True Tuning) and front Tilt
  • Aperture: 60 mm (Scope) 50 mm (Filter)
  • Focal Length: 500 mm
  • F Ratio: 8.3
  • Bandpass: <0.5 Angstroms @ 656 nm
  • Focuser: 2″ Feather Touch with 10:1 
  • Mounting: Integrated clamshell style with 1/4-20 tapped base
  • Color: Pearl White with Black and Red accents
  • Blocking Filter: B1200 Diagonal 
  • Storage: Two aluminum finished hard cases with fitted foam
  • Weight: 6.6 lb (Scope) 2.5 lb (Filter)

Tech Details

Aperture 2.4"
Binary and Star Cluster Observation No
Focal Length 500mm
Focal Ratio f/8.33
Galaxy and Nebula Observation No
Lunar Observation No
Planetary Observation No
Resolution a1.93 rc seconds
Warranty 1 year

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Supplied Accessories

  • Dual etalon H-alpha filter
  • Dual-speed 2" Feather Touch Crayford focuser
  • Dust cover
  • Hard carrying case
  • 1.25" star diagonal with integral 12mm blocking filter
  • Clamshell mounting ring