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Post Info TOPIC: Orion SpaceProbe 130ST EQ Telescope


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Orion SpaceProbe 130ST EQ Telescope

The Orion SpaceProbe 130ST EQ is a rich-field Newtonian reflector with a tube only 24" long compared to the 33" tube length of the standard 130 EQ .

Product Features
* Designed for the serious beginning or intermediate stargazer
* 130mm aperture and 650mm focal length for a wider field of view and brighter images
* Includes sturdy tripod and equatorial mount for hands-free celestial tracking
* Includes FREE Starry Night astronomy software


The "ST" version of the SpaceProbe 130 is a more compact version of the standard model. The ST's optical tube measures 24" long compared to 33" on the standard 130. The focal length of the ST's 130mm (5.1") primary mirror is 650mm (f/5), yielding a wider field of view and brighter images for a given telescope eyepiece focal length.
The telescope comes on an EQ-2 equatorial mount with dual setting circles and slow-motion hand controls. An optional EQ-2M or AstroTrack electronic drive can be added for automatic tracking.

Optical diameter                      130mm
Focal length                          650mm
Focal ratio                           f/5.0
Optics type                           Parabolic
Glass material                        Soda-lime plate
Eyepieces included                    Plossl 25.0mm, 10.0mm
Magnification with included eyepieces     26x, 65x
Resolving power                     0.89arc*sec
Lowest useful magnification        19x
Highest useful magnification       260x
Limiting stellar magnitude         13.2
Optical quality                        Diffraction limited
Finder scope                           6x30
Focuser                                1.25" Rack-and-pinion
Secondary mirror obstruction    38mm
Secondary mirror obstruction by diameter       28%
Secondary mirror obstruction by area           8%
Mirror coatings/over-coatings       Aluminium and Silicon Dioxide
Mount style                         Equatorial
Astro-imaging capability            Lunar and planetary
Dovetail bar system                 No
Motor drive compatibility           Clock drive sold separately
Computerized compatibility          Not compatible
Bearing material                      Friction bearings
Latitude range                        16-72
Setting circles                       Yes
Polar-axis scope                      Not available
Counterweights                        One 4.8 lb.
Tube material                         Aluminium
Tripod material                       Aluminium
Counterweight bar length          8 in.
Diameter of counterweight shaft   12mm
Height range of mount/tripod      35.00 in. - 55.50 in.
Length of optical tube               24.0 in.
Weight, optical tube                 6.2 lbs.
Weight, mount/tripod                12.0 lbs.
Weight, fully assembled             27.0 lbs.
Additional  accessories              Collimation cap

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The Orion SpaceProbe 130ST EQ Telescope ($299.95) has received positive reviews, and the Orion company is heralded for great customer service, easy to use telescopes, and an informational and educational Web site.
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