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Orion Telescopes
Advanced
*2nd* Orion SkyQuest XX16g GoTo Truss Tube Dobsonian
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This product is no longer available for purchase.


Item #  78968
  • Best for viewing
    Fainter deep sky
  • Best for imaging
    Lunar & planetary
  • User level
    Advanced
  • Optical design
    Reflector
  • Optical diameter
    406mm
  • Focal length
    1800mm
  • Focal ratio
    f/4.4
  • Optics type
    Parabolic
  • Glass material
    Low thermal expansion glass
  • Eyepieces
    DeepView 28.0mm (2"),Plossl 12.5mm (1.25")
  • Magnification with included eyepieces
    64x, 144x
  • Resolving power
    0.29arc*sec
  • Lowest useful magnification
    58x
  • Highest useful magnification
    300x
  • Highest theoretical magnification
    800x
  • Limiting stellar magnitude
    15.7
  • Optical quality
    Diffraction limited
  • Finder scope
    EZ Finder II
  • Focuser
    2" dual-speed Crayford
  • Secondary mirror obstruction
    91mm
  • Secondary mirror obstruction by diameter
    22%
  • Secondary mirror obstruction by area
    5%
  • Mirror coatings/over-coatings
    Enhanced Aluminum & Silicon Dioxide
  • Mount type
    Dobsonian
  • Astro-imaging capability
    Simple moon shots
  • Computerized compatibility
    Go-To included
  • Alignment procedure
    2-Star alignment
  • Number of objects in database
    42,000+
  • Bearing material
    AZ: Thrust needle bearings ALT: Ball bearings
  • Power requirement
    12-volt DC (tip positive)
  • Setting circles
    Electronic, via the hand controller
  • Available ports
    RS-232
  • Tube material
    Steel
  • Tripod material
    Wood
  • Weight, optical tube
    89.8 lbs.
  • Weight, mount/tripod
    105.0 lbs.
  • Weight, fully assembled
    195.0 lbs.
  • Focuser height at zenith
    72 in.
  • Additional included accessories
    Other included items are not always the same between a new and a second. Seconds may be older versions of the new product, or may be customer returns where accessory substitutions have been made.
  • Other features
    2nds are covered by Orion's Satisfaction Guarantee
  • Warranty
    One year

Orders received by 1pm Eastern Standard Time for in-stock items ship 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.

A per-item shipping charge (in addition to the standard shipping and handling charge) applies to this product due to its size and weight. This charge varies based on the shipping method.

Standard Delivery: $0.00
3 Day Delivery: $583.00
2 Day Delivery: $583.00
Next Day Delivery: $697.00

SHIPPING RESTRICTIONS APPLY FOR THIS PRODUCT

This product is available to ship Standard delivery within the 50 US states and to US territories/protectorates. Delivery is not available to APO/DPO/FPO addresses or Canada.

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