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Orion Telescopes

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Intermediate
Orion Build-A-Scope 6" IntelliScope Dobsonian Telescope
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  • Start with a 6" aperture, 1200mm focal length reflector telescope optical tube and the ultra-stable Dobsonian base with push-to IntelliScope computerized object locator
  • Add the Orion-brand finder scope, and initial eyepiece that YOU want
  • Add additional Orion-brand telescope eyepieces
  • Accessorize even further with any Orion-brand filters, collimating tools, Barlow lenses, padded case, and more
  • Get the 6" SkyQuest Intelliscope Dobsonian of your dreams and SAVE BIG compared to purchasing the telescope and accessories separately!


Learn more

Why Choose A Build-A-Scope Dobsonian Telescope?

If you're just starting out in the hobby, our standard Dobsonian configurations (either Classic or IntelliScope) may meet your needs and are available for fastest shipping. But, if you want the telescope that you've always wanted, customized the way you'd like it — then an Orion Build-A-Scope is for you!

It's easy to Build-A-Scope and save money, so get started building that dream telescope now!

Start Building Your Telescope Select required components and optional accessories to create your perfect telescope, add all items to your cart and save!
  selected

Step 1: Choose Eyepieces

Required:  Please choose at least 1 from the 6 available products.
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Step 2: Choose Additional Accessories

Optional:  You may choose any number of the 1 available products.

PLEASE NOTE: If you leave this page before adding your configured Build-A-Scope to your shopping cart, the details of your configuration will not be saved. In addition, if you add a Build-A-Scope to your wish list, the components you have chosen will not be included on your wish list. To save a configuration, add all items to your cart using the button above. Your configured Build-A-Scope will be saved in your shopping cart for 30 days. You will then be able to return to your configuration by visiting your shopping cart and clicking on the Build-A-Scope product title.

Once we receive your order, we will build your telescope! That takes a little more time to ship than a standard order. In-stock orders placed by 12:00 noon Pacific Time will ship 2-3 business days after your order is placed. The expected shipping date for your customized Build-A-Scope will update to reflect the availability of the components you choose and the time needed to build your telescope. Before you know it, you will have your very own customized Classic Dobsonian to show off to your friends!

This remarkable telescope combines powerful 150mm-diameter reflector optics with point-and-view simplicity in one nicely portable package. And with the included IntelliScope Computerized Object Locator, even the novice stargazer can pinpoint the location of 14,000+ celestial wonders stored in the Computerized IntelliScope’s databank. It’s like having your own personal tour guide to the universe!

Intelliscope Dob Chart

You just select an object to observe using the Object Locator’s illuminated menu buttons (Galaxies, Clusters, Nebulas, etc.), or choose a pre-set tour of the best objects, then press Enter. The IntelliScope’s high-resolution, 9,216-step digital encoders direct the telescope right to the object, placing it squarely in the telescope eyepiece.

The Orion Build-A-Scope 6" Computerized IntelliScope Dobsonian Telescope houses a big 150mm parabolic mirror with 80% more light grasp than a 4.5" mirror, for brighter, more detailed images. The streamlined Dobsonian telescope base offers unflinching stability yet easy portability.

With the Build-A-Scope 6" IntelliScope Dobsonian from Orion, you decide which finder scope, eyepiece, and other accessories come with the telescope. You can choose between magnified achromatic finder scopes, red-dot reflex sights, or more deluxe right-angle correct-image or illuminated crosshair finder scope models to be included with the SkyQuest XT6i IntelliScope Dobsonian. You also get to select what telescope eyepiece is included from Orion’s wide selection of quality oculars. Choose from low focal length, high magnification eyepieces, or go after the bigger picture with a wide-angle eyepiece to view a large swath of the sky through the telescope.

Find out just how fun a smarter, well-made beginner’s telescope can be.

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Warning

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Product Support
Visit our product support section for instruction manuals and more
  • Best for viewing
    Brighter deep sky
  • Best for imaging
    Lunar & planetary
  • User level
    Intermediate
  • Optical design
    Reflector
  • Optical diameter
    150mm
  • Focal length
    1200mm
  • Focal ratio
    f/8.0
  • Optics type
    Parabolic
  • Glass material
    Soda-lime plate
  • Eyepieces
    Choose an Orion eyepiece mm ()
  • Resolving power
    0.77arc*sec
  • Lowest useful magnification
    28x
  • Highest useful magnification
    300x
  • Highest theoretical magnification
    300x
  • Limiting stellar magnitude
    13.5
  • Optical quality
    Diffraction limited
  • Finder scope
    Choose an Orion finder scope
  • Focuser
    1.25" Rack-and-pinion
  • Secondary mirror obstruction
    34mm
  • Secondary mirror obstruction by diameter
    23%
  • Secondary mirror obstruction by area
    5%
  • Mirror coatings/over-coatings
    Aluminum & Silicon Dioxide
  • Mount type
    Dobsonian
  • Astro-imaging capability
    Simple moon shots
  • Computerized compatibility
    Intelliscope included
  • Alignment procedure
    2-Star Alignment
  • Number of objects in database
    14,000+
  • Bearing material
    PTFE and UHMW bearings
  • Power requirement
    9-volt battery
  • Available ports
    RS-232
  • Tube material
    Steel
  • Tripod material
    Wood
  • Length of optical tube
    45.5 in.
  • Weight, optical tube
    13.5 lbs.
  • Weight, mount/tripod
    20.9 lbs.
  • Weight, fully assembled
    34.4 lbs.
  • Additional included accessories
    IntelliScope computerized object locator HC, Eyepiece rack, Collimation cap
  • Warranty
    One year

Orion SkyQuest XT6i Computerized IntelliScope Optical Tube Assembly
IntelliScope object locator hand controller
Collimation cap
Telescope eyepiece rack
Dust cap
Eyepiece rack mounting wood screws
Tensioning/Retaining knobs
Tensioning knob nylon washer
Tensioning knob metal washer
Nylon retaining knob spacer
Handle
Handle mounting hex-head screws
Handle mounting screw washers
Crescent wrench
Azimuth encoder board
Encoder connector board
Encoder disk
Left panel
Right panel
Front brace
Top base plate
Ground base plate
Base assembly wood screws
Hex key
Plastic feet
Feet attachment wood screws
Encoder board mounting wood screws
Brass bushing
Azimuth axis hex-head screw
Fender washers
Hex lock nut
Altitude bearing cylinders
Altitude bearing cylinder screws
Vertical stop knob
Flat washers
Altitude encoder assembly
Coil cable
Altitude encoder cable (53")
Azimuth encoder cable (24")
Wire retaining clips
Hook-and-loop strips
Plastic bumper
Wood screws
Nylon washers
9V battery
Starry Night special edition software

And of course, the finder scope, eyepieces, and other accessories you choose!

Orders received by noon Pacific Time for in-stock item the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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