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Lunt 50mm Solar Telescope with 6mm Blocking Filter

Code: LS50THa/B600GU1

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  • Gently Used and Factory Refurbished
  • Comes with Lunt’s Standard 5 Year Warranty
  • The Lunt Solar Telescope LS50THa is a 50 mm h-alpha (Hydrogen Alpha Wavelength)  f/7 dedicated  telescope.
  • An internal etalon with pressure-tuning adjustment allows for a <0.75 Angstrom bandpass.
  • The LS50THa comes with an integrated clamshell mounting base and a helical focuser.
  • The Lunt 50mm Solar Telescope is perfect for viewing the Sun, including Solar Coronas, Flares and Eclipses.
  • Portable and Travel Friendly, the LS50THa is made to be your Personal Solar Telescope- great for Astronomy Beginners, Kids and Adults

$849.00 $679.20

Out of stock

Description

Gently Used and Factory Refurbished

LS50THa with B600 (6mm) Blocking Filter

  • Scuff Marks on Dust Cap
  • Wear Marks on Thread of Dust Cap Itself from Attachment
  • Slight Discoloration on Pressure Tune Knob from general use

All of Lunt’s Gently Used and Refurbished Items come with Standard 5 Year Warranty and 30 Day Return Policy

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Sky & Telescope 2015 Hot Product!

The LS50THa from Lunt Solar Systems is a 50mm H-alpha, unobstructed, pressure-tuned, dedicated Hydrogen-alpha telescope with a bandpass of <0.75 A.

The excitement of viewing our Star through a dedicated solar telescope is sure to provide many many hours of visual enjoyment and educational insights. Furthermore, this package is fully upgradeable at any time without ever having to go back to the factory.  Therefore, as the Sun becomes increasingly more active, you will appreciate that the instrument can grow right along with it.

The Lunt LS50THa Solar Telescope, complete with a Pressure Tuner,  provides the basic essentials perfect for a first time introduction to solar observing.  Also it including the newest technology for fine tuning, allowing basic research of the Sun’s disk and some surface details.

Doppler Tuning

True Doppler Tuning (Pressure Tuning) allows for a shift into and away from the user. Amazingly, this adds a 3D-like component to the viewing experience. Meanwhile 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. Also, when 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. Therefore, you’ll be able to follow the filament through it’s structure toward you and away from you.  All of this allows for enhanced visual and imaging capability for the observer as well as a research tool for the avid hobbyist. Most importantly, the pressure tuning system provides an order of magnitude more precision to the tuning of the desired features.

LS50THa Package Features:

  • A Narrow Band Hydrogen-alpha Dedicated System.
  • A refractor-based system with a 50 mm front objective.
  • An internal Etalon with a pressure tuner allows for <0.75 Angstrom bandpass.
  • The system includes the clamshell with threaded holes for mounting and dust caps.

Specifications: (single stacked)

  • Type: Single Interference Etalon
  • Tuning: Internal Pressure Tune (Doppler True Tuning)
  • Aperture: 50 mm
  • Focal Length: 350 mm
  • F Ratio: F7
  • Bandpass: <0.75 Angstroms @ 656 nm
  • Focuser: Helical Focuser
  • Blocking Filter: B400 Diagonal or B600 Diagonal (Choose from Options drop-down)
  • Mounting: Integrated clamshell style with 1/4-20 tapped base
  • Color: Pearl White with Black and Red accents

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