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Coronado PST Personal Solar Telescope <1.0 Angstrom H-Alpha Refractor - PST

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Coronado PST Personal Solar Telescope
<1.0 angstrom H-Alpha Refractor

The Coronado PST, or Personal Solar Telescope, is the world’s most popular telescope for observing the Sun. The PST is a highly portable 40mm dedicated h-alpha telescope that features highly specialized and innovative internal optics with a 1.0-angstrom bandpass. The internal, non-removable nature of the Coronado PST Solar Telescope's optics make it a great choice for home and educational use. It is perfect for classrooms, outreach, and home schooling.

Unlike a white light solar filter, the Coronado PST solar telescope will show you images of the Sun in H-alpha. Watch as spectacular solar prominences dance on the edge of the Sun and investigate snake-like filaments and sunspots on the Sun’s surface. The Sun is changing all the time, and it is amazing to literally watch as solar flares erupt, grow, shrink, or even detach and float into space. Get a closer look at the Coranado PST and it's impressive features in the video below.


The Coronado PST h-alpha telescope comes with a 40mm f/10 Ha optical system and an internal 30mm etalon primary blocking filter. A patented tuning system allows for fine adjustment of the bandpass for the best detail, and a built-in focuser allows you to achieve the sharpest image.

Most H-alpha solar telescopes require an optional sun finder, but the Coronado PST comes with a built-in patented sun spotting device. When you are properly aligned on the Sun its image will fall on a small pinhole, causing the image to be projected onto an opaque glass window on the top of the PST body. The Coronado PST solar telescope's sun-spotter makes aligning the Sun a simple matter, and if you have ever tried to align a protected telescope on the Sun without a finder, you will appreciate this innovative feature all the more!

The Personal Solar Telescope is threaded to accept a 1/4-20 tripod bolt to make it easy to attach to a standard photographic or video tripod, or you can choose an alt-azimuth mount that was designed with the PST in mind…the Meade Infinity AZS. Some of the pictures to your left show the PST h-alpha telescope atop on this optional mount, but whichever you choose, make sure your mount or tripod is sturdy so the magnified views of the Sun will be nice and steady. Speaking of magnified views, the PST comes with one 20mm 1.25” eyepiece. Coronado makes a selection of Cemax eyepieces that are enhanced for solar viewing if you want to increase your magnification choices.

Coronado PST Specifications

  • Aperture: 40mm
  • Focal Length: 400mm
  • Focal Ratio: f/10
  • Bandpass: 1.0 Angstrom Ha
  • Solar Finder: Built-in
  • Mounting: 1/4-20 threaded hole
  • Included Eyepiece: 20mm Kellner
  • Case: Sold Separately
  • Mount: Sold Separately
  • Weight: 3.2 lb.