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)

B&H # CO40PS MFR # 0.5PST
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)

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Product Highlights

  • 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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Filter Options: 0.5 Angstrom

0.5 Angstrom 1.0 Angstrom

Options: OTA Only

OTA Only OTA with Hard Case

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  • 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
UPC: 709942995121
In the Box
Coronado 40mm f/10 0.5Å H-Alpha Personal Solar Telescope (OTA Only)
  • 20mm Kellner Eyepiece
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Aperture 40 mm
    Focal Length 400 mm
    Focal Ratio f/10
    Bandwidth Hydrogen-alpha
    Bandpass <1.0 Å
    Etalon Filter 40 mm, external - tunable
    Blocking 30 mm, internal etalon
    Thermal Stability -0.005Å/C
    Eyepiece Barrel Diameter 1.25"
    Finderscope Built-in solar viewfinder
    Mount 1/4"-20 tripod mount
    Packaging Info
    Package Weight 10.1 lb
    Box Dimensions (LxWxH) 19.7 x 14.7 x 12.7"

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