- Use as a guide scope with a CCD autoguider.
- Multi-coated 80mm f/5.0 optics deliver bright, wide-field images.
- Sold as optical tube assembly only, no accessories.
- One-year limited warranty.
Here's a newly upgraded version of our ever-popular Orion ShortTube 80 Telescope Optical Tube that's accessorized for astronomical adventure. Pop it on your favorite Orion telescope mount and you've got one nifty, portable star probe.
You'll love its bright, wide-field views. Its multi-coated 80mm objective lens and 400mm focal length (f/5.0) are perfect for scanning the night sky. The Orion ShortTube 80 Telescope Optical Tube reels in bright deep-sky objects and gets you in tight on solar system targets. One-year limited warranty.
- Use Astronomy and terrestrial
- User level Beginner
- Optical design Refractor
- Optical diameter 80mm
- Focal length 400mm
- Focal ratio f/5.0
- Coatings Fully Multi-coated
- Optics type Air-spaced doublet
- Glass material Crown/Flint
- Eyepieces included None
- Resolving power 1.45arc*sec
- Lowest useful magnification 12x
- Highest useful magnification 160x
- Limiting stellar magnitude 12.2
- Optical quality Diffraction limited
- Focuser 1.25in. Rack-and-pinion
- Mount style Optical Tube without Mount
- Astro-imaging capability Lunar, planetary and long exposure
- Tube material Aluminum
- Length of optical tube 15.0 in.
- Weight, optical tube 2.4 lbs.
- Other features now Fully Multi-Coated
- Warranty One year
|Name||Orion - ShortTube 80 Telescope Optical Tube|
|Custom Stock Status||In Stock|
|Telescope Aperture||3.1" - 4"|
|Highest Useful Magnification||160x|
|Limiting Stellar Magnitude||12.2|
|Lowest Useful Magnification||12x|
|Optical Coatings||Fully multi-coated|
|Optical Design||Refractor (Air-spaced doublet) Crown/Flint|
|Optical Tube Length||15.0 in|
|Optical Tube Weight||3.0 lbs|