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Orion ST80-A Refractor Astro Version w No Case

SKU : OR-9947

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  • The Orion ShortTube 80-A achromatic refractor telescope is back - a wonderful grab and go telescope to introduce your whole family to the wonders of the night sky!
  • Multi-coated optics give you maximum light throughput for bright views of deep-sky and solar system objects
  • Includes 90-degree mirror star diagonal, two Sirius Plossl eyepieces, tube rings, and a Vixen-style dovetail mounting bar

Product Details

  • The Orion ShortTube 80-A achromatic refractor telescope is back in the Orion lineup by popular demand! It is the astronomical observation version of the ShortTube 80 achromatic refractor (the "-A" is for Astronomy).

    The Short-Tube 80-A is a very compact, wide-field astro telescope that you can take with you to your favorite dark sky location with ease. The 80 mm objective lens, short 400 mm (f/5) focal length, and wide field of view make this scope ideal for viewing large deep-sky objects. These may include star clusters, nebulae, and even galaxies! You can also take detailed looks at the cratered surface of the Moon, Saturn's rings, and other solar system targets.

    The ST80-A's doublet objective lens is multi-coated to give you excellent light transmission. It is housed in an all-aluminum 15" long tube that is equipped with a 1.25" rack-and-pinion focuser on one end and an aluminum dew shield on the other end. This dew shield extends more than 3" out from the lens, preventing dew formation and blocking off-axis glare. This telescope comes with two 1.25" Sirius Plossl eyepieces - 25 mm and 10 mm - which produce 16x and 40x power (respectively), as well as a 90-degree mirror diagonal (1.25"). Both the eyepiece and diagonal barrels are threaded for optional Orion eyepiece filters. The large 8 x 40 finder scope will ensure that you can locate and center your target with ease.

    The ShortTube 80-A also includes two felt-lined, hinged tube rings and a Vixen-style dovetail mounting plate, giving you the option to attach the telescope to the compatible mount of your choice.

  • specifications

    Aperture80 mm (3.25")
    Dawes Limit1.45 arcseconds
    Focal Length400 mm
    Focal Ratiof/5
    Glass TypeCrown/Flint
    Highest Magnification160x
    Lens CoatingsFully Multi Coated
    Light Gathering Power131x
    Tube Weight4.2 lb
  • included items

    • ShortTube 80 OTA
    • 8x40 finder scope with bracket
    • Tube rings, pair
    • Dovetail bar
    • 25mm Sirius Plossl eyepiece
    • 10mm Sirius Plossl eyepiece
    • 90-degree mirror star diagonal

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