Lunt 100mm Pressure-Tuned f/7 Solar Telescope w/ B1800

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Lunt 100mm Pressure-Tuned f/7 Solar Telescope w/ B1800

This refractor-based system starts off with a precision aligned ED doublet lens with a 100mm aperture. The front singlet lens reduces half of the stray light of an achromat and it fully eliminates the possibility of an on axis coma, astigmatism, de-centering aberrations. It provides with the matched collimation lens set a full spherical corrected flat-field.

Inside this custom-made refractor, you'll find an internal etalon with tune adjustment which allows for a maximum of <0.75 Angstrom bandpass. You'll get a sharp, crisp ~7.3mm image through its a 18mm blocking filter, revealing excellent details on both the solar surface, limb edge, flares and prominences.

Lunt Solar Systems LS100 Hydrogen-Alpha Telescope Features

  • New, patented etalon technology and different components.
  • Prone to less thermal disturbances and decontacting.
  • Stylized pearl white paint with black anodized trim.
  • Clamshell mount, 10:1 Feather Touch focuser and padded hard case included!
  • Pressure Tuner for true Doppler tuning!
  • Full warranty from Lunt Solar Systems.


Bandwidth<0.75 A
Blocking/ERF Aperture18mm
Emission LineH Alpha
ManufacturerLunt Solar
Solar Finder IncludedYes
Tuner IncludedYes
Warranty5 Year Warranty

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  • weight of OTA and length of OTA?

    Lunt lists the tube length with blocking filter at 634mm (25") and the weight of the tube as 5 kg (11 lbs).