DayStar SR 127 mm 0.5 Angstrom Solar Telescope

  • Observe the solar surface contrast and enhance your view of solar prominences!
  • Study the photospheric, chromospheric, prominence, and atmospheric areas of the Sun.
  • Aperture: 127 mm.
  • Focal Ratio: f/32.
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  • Regular price $8,510.00

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DayStar SR 127 mm 0.5 Angstrom Solar Telescope

The DayStar SR 127 mm Dedicated Solar Telescope is tuned specifically to the 0.5 Angstrom bandpass to capture detailed views of prominences (see images below), and surface texture. 

Features of the DayStar SR 0.5 Angstrom Solar Telescope

  • Design offers Quantum control built-in for easy set-up and operation.
  • Digital readout and precision tuning control.
  • It uses 12VDC power and can run off batteries.
  • 2-inch steel track and rack and pinion focuser for added strength. 
  • Housed in SolaREDi, microprocessor-controlled, works in all outside temperatures, requires power. 
  • Fully multi-coated optics.
  • 2-element Barlow system produces a longer effective focal length than the optical tube length.

Technical Details of the DayStar SR 127 mm Solar Telescope

  • Operating Temperature: 20-100 degrees Fahrenheit.
  • Wavelength Shift Range: Plus or Minus 1 Angstrom.
  • Power Supply: DC 12V, maximum of 120 mA, 2.1x5.5 mm.
  • AC Adapter included: 120-240VAC.
  • Power Consumption: 1.5 watts.



Aperture127 mm (5")
Focal Length4064 mm
Focal Ratiof/32
Tube Length1486mm
Tube Weight17.8 lbs


  • DayStar Filters SoliRedi 127 mm 0.5 Angstrom OTA Only.
  • 1.25-inch Eyepiece Reducer Adapter.
  • Mounting Ring Set.
  • Vixen-style Dovetail Plate.
  • 120-240 VAC Power Adapter.
  • Wood Carrying/Storage Case.
  • Limited 5-Year Warranty.