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Orion StarBlast 4.5


Keywords: Visual Newtonian

Currently there are 3 requests to borrow this.

Compact 4.5 Inch (114 mm) Newtonian Telescope

This Orion StarBlast 4.5 reflector telescope is a good beginners telescope.as well as a nice "grab and go" scope for advanced observers. Its lowest power (18x) provides an expansive 2.2 degree field of view that is ideal for locating and viewing large star clusters and galaxies. The SAS Equipment Library has mounted a StarBlast tube assembly on a stable, easy to understand Alt-Az mount and tripod. This configuration is different from the Starblast 4.5 sold commercially. (Our mount and tripod were salvaged from a bigger but non-functional telescope)

.An Orion EZ Finder II "red Dot" reflex sight is provided to aim the telescope. The user looks at the sky through the viewing window of the EZ Finder and sees a red dot, like a heads up display on an airplane windshield. The user then moves the telescope until the red-dot is aimed at the intended area of the sky.


  • Excellent general purposefor viewing the moon, planes, star clusters, nebula, and.galaxies.
  • Optical design: Newtonian reflector
  • Primary mirror diameter: 113 mm
  • Focal length: 450 mm
  • Focal ratio: f/4.0


Requests to Borrow

There are 3 other members with requests to borrow this equipment.