Coronado 40mm f/10 0.5Å H-Alpha Personal Solar Telescope (OTA Only)

Coronado 40mm f/10 0.5Å H-Alpha Personal Solar Telescope (OTA Only)

Coronado 40mm f/10 0.5Å H-Alpha Personal Solar Telescope (OTA Only)

Used Cat.# 1850809 MFR # 0.5PST

Image shown is for illustrative purpose only

Coronado 40mm f/10 0.5? H-Alpha Personal Solar Telescope (OTA Only)

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Highlights

Used Condition: 9

Shows signs of use, but very clean

Additional Comments: BOX

  • 40mm Dedicated Refractor Telescope
  • 400mm Focal Length, f/10 Focal Ratio
  • 40mm Tunable External Etalon
  • 30mm Internal Etalon Blocking Filter
  • <0.5 Å H-Alpha Bandpass
  • Improves Surface Contrast and Prominence
  • Doppler Shift Compensation Tuning Ring
  • 20mm 1.25" Kellner Eyepiece
  • 1/4"-20 Tripod Mount
  • OTA Only - Tripod and Mount Required
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SAFETY FIRST: Observing the Sun without the proper protection may result in serious personal injury, including permanent eye damage and blindness, and/or damage to equipment. Never point an optic at the sun without an approved solar filter on the front of the optic. For direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder, ensure your filter is ISO 12312-2 (also written as ISO 12312-2:2015) certified. Never use photographic neutral density filters for direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder.

Used Savings 17%
$0 VA Sales Tax Collected on This Item
$854.50
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New for $1,029.90

Coronado 0.5PST Overview

  • 1Description

Coronado's iconic PST 40mm f/10 0.5Å H-Alpha Personal Solar Telescope optical system is tuned to the hydrogen-alpha bandwidth with a 0.5Å (Angstrom) bandpass for viewing details of the Sun's chromosphere (surface) and prominences. A bandpass tuner allows users to compensate for Doppler shift or to highlight specific areas or zones.

It is designed and engineered to be set up quickly and used easily. The 40mm external etalon has an easy-to-use tuning ring, while the 30mm etalon primary blocking filter is set internally, so all users need do is mount the OTA on a stable platform and drop in the included 20mm eyepiece. The PST is offered here without a mount or tripod, but it is equipped with a standard 1/4"-20 tripod mount for using conventional photo/video/field tripods, or it can be mounted on many alt-az, EQ, or motorized astronomical mounts.

Optical Performance
  • 40mm aperture
  • f/10 focal ratio
  • 400mm focal length
  • Simple focusing ring with 1.25" eyepiece holder
  • Eyepiece set at 90° to optical tube puts head in a comfortable viewing position when aimed at or near the zenith
Solar Blocking
  • 40mm external tunable etalon
  • 30mm internal etalon primary blocking filter
  • 0.5Å bandpass
  • -0.005Å/C thermal stability
  • Tuning ring for external etalon allows for Doppler compensation to improve contrast and highlight specific areas/zones
  • Tuned for the hydrogen-alpha bandwidth with improved surface contrast and views of prominences
Included Eyepiece
  • 1.25" diameter barrel
  • 20mm focal length yields 20x magnification
  • Fold-down rubber eyecup for use with or without eyewear
Mounting
  • Mount and tripod required
  • 1/4"-20 mount for using conventional photo, video, or field tripod
Table of Contents
  • 1Description

Coronado 0.5PST Specs

Optical Tube Assembly
Optical Design Refractor
Aperture 40 mm / 1.6"
Focal Length 400 mm
Focal Ratio f/10
Eyepiece Barrel Diameter 1.25"
Finderscope Yes
Mounting System 1/4"-20 Female
Filtration
Filtration Wavelength Hydrogen-alpha
Bandpass 0.5 Å
Blocking Filter 30 mm (Internal)
40 mm (External)
Thermal Stability -0.005 Å/C
General
Batteries None
GPS None
Wi-Fi None

Coronado 0.5PST Reviews

40mm f/10 0.5? H-Alpha Personal Solar Telescope (OTA Only) is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from The perfect entry to H Alpha! This is the scope to get if you don't already own other telescopes and want to get into H Alpha viewing (or imaging!) For the price nothing will come close. It has no issues with brightness, even double stacked thanks to a black air gap tuner attachment that is included with the second etalon. You can get a nice, evenly bright disc, or concentrate light and contrast to a specific area! I did find the view angle is pretty narrow, so you have to keep your eye centered very well. With time I think you could get used to it, but I found much more enjoyment using a small 1.25 camera (QHY5L-II) Using a camera I was surprised how much detail there is in surface even without the second etalon! Using the PST double stacked is certainly an improvement but it does take some work getting both etalons and the gap tuner dialed in for maximum contrast. All in all, this is a very impressive h-alpha scope for a very impressive price!
Date published: 2017-08-13
Rated 5 out of 5 by from Excellent Telescope - Accesories Require I've traveled abroad with the litte solar scope in my carry on. Excellent quality and durable. Beware that you need to purchase all of the accessories as well. The case, mounts, etc.
Date published: 2013-11-25
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What is the country of manufacture? Where is this ...

What is the country of manufacture? Where is this made?
Asked by: Scott
The country of Origin is Mexico
Answered by: Moe
Date published: 2019-03-14
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