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Ursa Major 8" f/6 Dobsonian
The Ursa Major 8” f/6 Dobsonian telescope has been, designed to provide you with a lifetime of observing the universe. Thanks to its carefully engineered optics and mechanical structure.
Easy to use
The 8” aperture makes the Ursa Major an excellent choice for visual astronomy, providing incredible views of several celestial objects. Including Mars with surface shading and polar cap, Jupiter's weather bands, and several of its moons. The 8” aperture allows for 1.78X more light gathering than the 6” version, allowing you to enjoy excellent views of many deep sky objects like the M42/ Orion Nebula.
Minimum 93% Reflectivity
The Ursa Major 8” Dobsonian telescope is fitted with GSO Aluminised Parabolic Primary Mirrors offering a minimum of 93% reflectivity and a silicon dioxide protective overcoat, ensuring the surface remains bright for years of use.
Easy collimation adjustment
The primary mirror cell has been designed with collimation knobs to allow for easy collimation adjustment without tools.
Smooth & Accurate Focusing
Featuring a CNC-machined 2” Crayford focuser, the Uras Major 8” Dobsonian offers smooth accurate focusing and zero image shift.
Easy To Adjust
The Ursa Major 8" f/6 Dobsonian makes use of Teflon pads, which provide smooth altitude movement and tension can be adjusted to achieve the right amount of resistance. A spring tension system prevents the telescope from moving during eyepiece changes. Smooth and reliable azimuth (left-right) adjustments are achieved thanks to it’s robust roller-bearing assembly.
Key Features:
- 203mm (8”) Newtonian reflector optics
- 1200mm focal length
- f/5.9 focal ratio
- 25% Secondary mirror obstruction
- Parabolic Primary Mirror
- Minimum 93% reflectivity
- Aluminium and silicon dioxide (SIO2) protective mirror coatings
- Sturdy primary mirror-cell
- Easy grip collimation knobs
- Integrated cooling fan
- Rigid, steel telescope tube with 4-vane
- Smooth, stable Dobsonian mount
- Robust roller-bearing assembly
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What's in the box?
- 8” Newtonian Reflector Telescope
- Dobsonian Mount
- 8x50 Finderscope
- 2” to 1.25” Adapter
- 2” 35mm Extension Tube
- 9mm 1.25” Super-Plossl Eyepiece
- 25mm 1.25” Super-Plossl Eyepiece
FAQ
Does the base come assembled?
The Dobsonian base is delivered flat-packed and is easy to assemble.
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