An easy to use low maintenance beginner telescope. The compact size also makes it an excellent choice for taking on holiday.
The included eyepieces are noticeably better than those supplied with other tabletop Dobsonians so you can expect good views from the outset.
Requires a sturdy garden table to stand on.
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About this product
Ursa Major 80mm Tabletop Dobsonian Telescope
The Ursa Major 80mm tabletop Dobsonian telescope is an affordable, highly portable beginner telescope.
It is mounted on a compact Dobsonian base for convenient grab-and-go astronomy. The base is supplied flat-packed and is quick and easy to assemble.
Features an 80mm f/6.3 collimateable mirror-set and is supplied with two high quality, fully multi-coated Astro Essentials super Plossl eyepieces so you can expect clear, sharp views from the outset.
Suitable for observing the Moon, bright planets, star clusters, bright galaxies and nebulae.
It also includes a handy FLO red-light keyring torch to preserve night vision adaptation.
Diameter of Primary Mirror: 80 mm (3.15")
Telescope Focal Length: 500mm (f/6.3)
Length of optical tube: 420 mm (16.5")
Magnifications (with optics supplied): 50x and 19x
Weight, fully assembled: 4.3 kg (9.5 lbs)
- Diameter of Primary Mirror: 80mm (3.15")
- Telescope Focal Length: 500mm (f/6.3)
- Includes 10mm & 26mm 1.25" Fully Multi-Coated Plossl eyepieces
- Red Dot Finder
- Useful Astro Essentials Collimation Cap Included
- 1.25" Rack and Pinion Focuser
- Wooden MDF Alt-Azimuth Mount with Adjustable Tensioners
- Handy Eyepiece Storage Shelf
Telescope Field of View Simulator
The following optional accessories will enhance your enjoyment of this telescope:
A 2x Astro Essentials barlow increases magnification of the included eyepieces. When used with the 10mm eyepiece, magnification increases to 100x. With the 26mm eyepiece, magnification is 38x.
A 0.9x 1.25" Moon filter reduces glare when observing the Moon for more comfortable viewing.
Most astronomers own three or four eyepieces. We recommend you become familiar with the two supplied before ordering more but are happy to advise if you are in a hurry.
We also recommend a warm coat, thick socks and a woolly hat!
What's in the box
- Telescope Tube
- Dobsonian Base
- Red Dot Finder
- 10mm Super Plossl Eyepiece
- 26mm Super Plossl Eyepiece
- Collimation Cap
- Red Light Keyring Torch
|Optical Design ||Newtonian Reflector |
|Aperture ||80mm (3.2") |
|Focal Length ||500mm (19.7") |
|Focal Ratio ||f/6.3 |
|Focal Length of Eyepiece 1 ||10mm |
|Magnification of Eyepiece 1 ||50x |
|Focal Length of Eyepiece 2 ||26mm |
|Magnification of Eyepiece 2 ||19x |
|Finderscope ||Red dot finder |
|Optical Tube ||Plastic |
|Highest Useful Magnification ||192x |
|Resolution (Rayleigh) ||1.73 arc seconds |
|Resolution (Dawes) ||1.45 arc seconds |
|Light Gathering Power (Compared to human eye) ||131x |
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