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Orion - Star Max 90 Table Top Telescope


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Manufactured by: Orion

Orion - Star Max 90 Table Top Telescope


Orion StarMax 90 Table Top Telescope

Whoever coined the phrase "big things come in small packages", would have definitely applied that expression to our new StarMax 90 TableTop Refractor. This ultra-compact Mak-Cass gives surprisingly big views for an instrument of its modest size, making it an elegant first telescope or a great grab-and-go second telescope!

  • Collects over 225% more light than a 60mm refractor telescope
  • Red-dot finder makes it easy to locate objects in the night sky
  • Observe the Moon, planets, star clusters, even some nebulae and galaxies
  • Table-top base can be easily mounted on a tripod with a 3/8" screw
  • Lightweight, compact design lets you take the StarMax 90 anywhere


The long, 1250mm (f/13.8) focal length gives the StarMax 90 TableTop some serious magnifying power — the included 25mm and 10mm 1.25" Super Plossl eyepieces yield powers of 50x and 125x, respectively. It collects over 25% more light than its GoScope 80 cousin, and up to 225% more light than a 60mm refractor telescope. So you'll be able to enjoy planetary delights such as lunar landscapes, Saturn's rings and Jupiter's moons. As you scan the Milky Way, you'll also be able to pull in some open and globular star clusters, as well as a nebula or two.

The tube assembly of the StarMax 90mm TableTop Refractor Telescope is attached to a stable swivel base, via a quick-release dovetail mount with adjustable altitude tension. The tube can easily be removed from the base and mounted on an optional photo tripod. The small swivel base itself can also be mounted on a camera tripod with a 8" screw.

A red-dot view finder, internal focuser (which moves the primary lens back and forth) and included 90-degree star diagonal round out the features of this compact, yet surprisingly capable, Mak Cass telescope.

Weighs 6.4 lbs. (including diagonal, eyepiece and finder). One-year limited warranty.


Included Items:

StarMax 90 TableTop Mak-Cass

 90-degree correct image diagonal

25mm eyepiece

10mm eyepiece

EZ Finder II reflex sight






Additional Information

Name Orion - Star Max 90 Table Top Telescope
Manufacturer Orion
Model ORI-10022
Manufacturer Part No ORI-10022
Telescope Aperture 3.1" - 4"
Diameter 90mm
Eyepieces 3-Element 25.0mm, 10.0mm
Eyepiece 1 50x
Eyepiece 2 125x
Focal Length 1250mm
Focal Ratio f/13.9
Focuser Internal
Highest Useful Magnification 180x
Limiting Stellar Magnitude 12.5
Lowest Useful Magnification 13x
Mount Altazimuth
Optical Design Maksutov-Cassegrain (Spherical)
Optical Tube Aluminum
Optical Tube Length 10.0 in
Secondary Mirror Obstruction 29mm
Secondary Mirror Obstruction by Area 10%
Tripod Wood
Warranty One Year