Products
Orion-ShortTube 80 Terrestial-OTA Item # 09946
- $457.01
Enquire for more information or email us specifics at sales@astro.com.sg.
Orion ShortTube 80-T Refractor Telescope
Item # 09946
- 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° 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
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.
Specification:
- Best for viewing : Nature & scenic
- Best for imaging : Terrestrial
- User level : Beginner
- Optical design : Refractor
- 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 (1.25\")
- Magnification with included eyepieces : 16x, 40x
- Resolving power : 1.45arc*sec
- 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