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Orion SkyQuest XT4.5 Classic Dobsonian Telescope

Retail Price: $275.00
You save: $26.00  (9%)
Our Price: $249.00



  • Compact and lightweight - a perfect Dobsonian reflector telescope for traveling or easy trips to the backyard at home
  • 4.5" aperture and 900mm focal length provide clear views of lunar craters and plains on the Moon, planets, bright nebulas and galaxies
  • Sturdy and portable Dobsonian base and handy navigation knob allow for effortless maneuvering of the reflector optical tube
  • Collects a whopping 260% more light than a typical beginner-level 60mm refractor telescope - which means hundreds more objects will be visible through the Orion SkyQuest XT4.5 Classic Dobsonian
  • Includes two eyepieces (25mm and 10mm focal length Sirius Plossl), 6x30 finder scope, 1.25" rack and pinion focuser, collimation cap, eyepiece rack, Starry Night astronomy software, and more!

Best for viewing

Brighter deep sky
  • Best for imaging
    Lunar & planetary
  • User level
    Beginner
  • Optical design
    Reflector
  • Optical diameter
    114mm
  • Focal length
    900mm
  • Focal ratio
    f/7.9
  • Optics type
    Spherical
  • Glass material
    Soda-lime plate
  • Eyepieces
    Sirius Plossl 25.0mm, 10.0mm
  • Magnification with included eyepieces
    36x, 91x
  • Resolving power
    1.02arc*sec
  • Lowest useful magnification
    17x
  • Highest useful magnification
    228x
  • Highest theoretical magnification
    228x
  • Limiting stellar magnitude
    12.9
  • Optical quality
    Diffraction limited
  • Finder scope
    6x26 Correct-image
  • Focuser
    1.25" Rack-and-pinion
  • Secondary mirror obstruction
    28mm
  • Secondary mirror obstruction by diameter
    24%
  • Secondary mirror obstruction by area
    6%
  • Mirror coatings/over-coatings
    Aluminum & Silicon Dioxide
  • Mount type
    Dobsonian
  • Astro-imaging capability
    Simple moon shots
  • Computerized compatibility
    Not compatible
  • Bearing material
    PTFE and UHMW bearings
  • Tube material
    Steel
  • Tripod material
    Wood
  • Length of optical tube
    35.0 in.
  • Weight, fully assembled
    17.6 lbs.
  • Additional included accessories
    Collimation cap, Eyepiece rack
  • Other features
    CorrecTension system, Navigation knob, Integral carry handle
  • Warranty
    One year

 

 


Add to Cart:

  • Model: 09804
  • Shipping Weight: 40lbs
  • Manufactured by: Orion

This product was added to our catalog on Thursday 23 December, 2010.