Orion - StarBlast Astro Telescope 4.5"

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Here is a fun and compact telescope that’s sure to inspire the whole family’s natural inclination to explore. The Orion StarBlast 4.5 Astro Reflector Telescope is no toy - it’s a real reflecting telescope that is wonderfully simple to set up and use.

SKU: ORI-10015
Manufactured by:

Product Description

StarBlast Astro 4.5" Telescope

Here is a fun and compact telescope that’s sure to inspire the whole family’s natural inclination to explore. The Orion StarBlast 4.5 Astro Reflector Telescope is no toy - it’s a real reflecting telescope that is wonderfully simple to set up and use.

A perfect telescope for beginning amateur astronomers, the StarBlast 4.5 Astro Reflector is manufactured with the kind of quality you’d expect only to find in much more expensive models. Everyone in the family will enjoy using the StarBlast 4.5 Astro Reflector telescope thanks to its uncomplicated, simple design and high level of performance. The StarBlast 4.5 will give beginning amateur astronomers hour after hour of fun under the stars and also nurture their interest in the night sky, thanks to its exceptional, high-quality optics. In fact, the optics of the StarBlast 4.5 Astro Reflector are so good that it’s also a very popular choice for more experienced amateur astronomers looking for a compact and portable telescope to use as a grab-and-go alternative to larger, bulkier mounted models that require more setup time and maintenance.

  • Launch a lifetime of stargazing with this compact, ready-to-use telescope
  • Top-notch optics show you the moon, the planets, the stars and more
  • Scope comes fully assembled so you can go from box to backyard in minutes
  • High-quality optics, point-and-view ease of use, remarkable portability, all for less than $200
  • Your ticket to space-tourism without the zero-G nausea


With its 4.5” aperture parabolic primary mirror, the StarBlast 4.5 Astro Reflector Telescope will wow the whole family with gorgeous wide-field views of the night sky. Fascinating craters and mountains on the Moon pop out in crisp detail through the pint-sized StarBlast 4.5 Astro Telescope, but the fun doesn’t end there. You’ll see more than just the Moon with this capable reflector. On clear evenings, the StarBlast 4.5 can provide pleasing views of giant Jupiter with its orbiting moons and Saturn with its stunning rings. Thanks to its precisely crafted, wide-field f/4 reflective optics and significant 4.5” (114mm) aperture, the StarBlast 4.5 Astro Telescope can reveal intriguing views of bright galaxies, distant cloudy nebulas, and sparkling star clusters for the whole family to enjoy.

The StarBlast 4.5 Astro Reflector has been designed with simplicity and performance in mind. The telescope swivels effortlessly on its sturdy wooden altazimuth base for point-and-view ease of use. In fact, the whole telescope comes pre-assembled and ready for stargazing action right out of the box! All you have to do is attach the included EZ Finder II reflex sight, insert one of the two included 1.25” telescope eyepieces, and you’re ready for night after night of family fun with the stars! With a total assembled weight of just 13 lbs., the StarBlast 4.5 is delightfully lightweight and sets up easily for an educational night full of astronomical adventures.

Outfitted with a thorough set of included accessories, the StarBlast 4.5 Astro Reflector is one well equipped telescope! Two included 1.25” Kellner eyepieces, one 17mm and one 6mm, provide magnifications of 26x and 75x respectively. Enjoy scanning the skies with the lower-power 17mm eyepiece and then swap out for the 10mm ocular to get a more highly magnified view. A handy removable eyepiece rack can be attached to the StarBl;ast 4.5 base to provide a helpful storage spot for unused telescope eyepieces. The included Orion EZ Finder II reflex sight makes aiming the StarBlast 4.5 “EZ” once a simple calibration process is completed, so you can precisely point the reflector anywhere in the night sky. We’ve even included a simple collimation cap to help maintain optical alignment of the StarBlast’s mirror optics. An included dust cap fits over the front of the telescope to prevent dust buildup.

Get the StarBlast 4.5 Astro Reflector Telescope today and discover how much fun astronomy can be for the whole family. You’ll all have a blast!








Name Orion - StarBlast Astro Telescope 4.5"
Manufacturer Orion
Model ORI-10015
Bearings Teflon and UHMW bearings
Diameter 114mm
Eyepieces Explorer II 17.0mm, 6.0mm
Eyepiece 1 Magnification 26x
Eyepiece 2 Magnification 75x
Finderscope EZ Finder II
Focal Length 450mm
Focal Ratio 4.0
Focuser 1.25" Rack-and-pinion
Highest Useful Magnification 150x
Included Accessories Collimation cap
Latitude Range 16-72
Limiting Stellar Magnitude 12.1
Lowest Useful Magnification 17x
Mount Altazimuth
Optical Coatings Aluminum & Silicon Dioxide
Optical Design Reflector (Parabolic)-Soda Lime Plate
Optical Tube Steel
Optical Tube Length 18.0 in
Optical Tube Weight 4.0 lbs
Secondary Mirror Obstruction 1.35 in
Secondary Mirror Obstruction by Area 9%
Secondary Mirror Obstruction by Diameter 30%
Warranty One Year


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