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Orion ShortTube 80-T Refractor Telescope

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  • Orion ShortTube 80-T Refractor Telescope

Orion ShortTube 80-T Refractor Telescope

SKU: ORI-09946

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Availability: Pre-order

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Quick Overview

  • Our popular ShortTube 80 refractor telescope, configured for daytime terrestrial viewing of wildlife, birds, and scenery
  • Fully multi-coated 80mm refractor objective lens and short 400mm focal length give you bright and crisp wide-field views
  • Correct-image 6x26 finder scope makes it easy to aim the ShortTube 80-T accurately during the day
  • Features a cast-aluminum 1.25" rack & pinion focuser, and includes 45-degree correct-image diagonal, two Sirius Plossl 1.25" telescope eyepieces (25mm, 10mm), and more
  • Built-in short dovetail mounting bar with threaded 1/4"-20 holes allows quick and easy attachment options for equatorial mounts or field tripods

Learn more

The popular "little telescope that could" is now even better. The wide-field refractor that novices appreciate for its ease of use and big-scope owners value as a take-anywhere second scope now has fully multi-coated optics and comes with its own padded carrying case.

Its 80mm achromatic objective lens, short tube 400mm focal length (f/5.0), correct-image diagonal (1.25") and 6x26 correct-image finder scope make the ST80-T perfect for casual stargazing or terrestrial viewing. The short focal length means you’ll see a beautifully wide field of view. And like all refractor telescopes, the unobstructed light path means sharper images with better definition and contrast.

Despite its diminutive size — it’s only 15-1/2" long — this telescope delivers the goods. And it’s so portable you will be able to take it virtually anywhere.

It comes equipped with a 1.25" cast-aluminum rack-and-pinion focuser and two interchangeable Sirius Plossl telescope eyepieces — 25mm (16x) and 10mm (40x). Easily attaches to Orion equatorial mounts or photo tripods.


Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Product Support

Visit our product support section for instruction manuals and more

Additional Information

Best for viewing Nature & scenic
Best for imaging Terrestrial
User level Beginner
Optical design Refractor
Finder scope magnification 6x
Optical diameter 80mm
Finder scope lens diameter 26mm
Focal length 400mm
Focal ratio f/5.0
Coatings Fully multi-coated
Optics type Air-spaced doublet
Glass material Crown/Flint
Eyepieces Sirius Plossl 25.0mm, 10.0mm
Magnification with included eyepieces 16x, 40x
Resolving power 1.45arc*sec
Lowest useful magnification 12x
Highest useful magnification 160x
Highest theoretical magnification 160x
Limiting stellar magnitude 12.2
Optical quality Diffraction Limited
Finder scope 6x26 Correct-image
Focuser 1.25" Rack-and-pinion
Diagonal degrees 1.25" 45° Prism Correct-image
Mount type Optical Tube without Mount
Astro-imaging capability Lunar, planetary & long exposure
Tube material Aluminum
Length of optical tube 15.0 in.
Weight, optical tube 3.8 lbs.
Additional included accessories Soft carry case
Other features Dovetail mounting bar w/ 1/4"-20 threaded holes, Fully multi-coated
Warranty One year
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