Orion StarBlast II 4.5 EQ Reflector & AstroTrack Motor Drive
Item #20710
4.6 / 5.0
$209.99 $199.99
This combination of the StarBlast II 4.5 EQ Reflector and AstroTrack Motor Drive is a complete telescope setup that's ideal for any backyard astronomer who wants to enjoy the benef...
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This combination of the StarBlast II 4.5 EQ Reflector and AstroTrack Motor Drive is a complete telescope setup that's ideal for any backyard astronomer who wants to enjoy the benefits of motorized tracking with a wide-field optical instrument.
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  • More Info
    • This wide-field reflector telescope comes with an AstroTrack drive for easy motorized tracking of objects in the night sky
    • A nicely portable motorized telescope setup for backyard astronomers of all skill levels
    • Fast f/4 telescope optics provide a very wide field of view, making it easy to locate and observe celestial objects
    • Included AstroTrack drive provides hands-free motorized tracking for convenient stargazing
    • Also includes EZ Finder II reflex sight for easy aiming, 25mm and 10mm Sirius Plossl eyepieces, MoonMap 260, collimation cap and more!
  • Specs
    • Best for viewing:
      Brighter deep sky
    • Best for imaging:
      Lunar & planetary
    • User level:
      Beginner
    • Optical design:
      Reflector
    • Optical diameter:
      114mm
    • Focal length:
      450mm
    • Focal ratio:
      f/4.0
    • Optics type:
      Parabolic
    • Glass material:
      Soda-lime plate
    • Eyepieces:
      Sirius Plossl 25.0mm,10.0mm (1.25")
    • Magnification with included eyepieces:
      18x, 45x
    • Resolving power:
      1.02arc*sec
    • Lowest useful magnification:
      16x
    • Highest useful magnification:
      228x
    • Highest theoretical magnification:
      228x
    • Limiting stellar magnitude:
      12.9
    • Optical quality:
      Diffraction limited
    • Finder scope:
      EZ Finder II
    • Focuser:
      1.25" Rack-and-pinion
    • Secondary mirror obstruction:
      34mm
    • Secondary mirror obstruction by diameter:
      30%
    • Secondary mirror obstruction by area:
      9%
    • Mirror coatings/over-coatings:
      Aluminum & Silicon Dioxide
    • Mount type:
      Equatorial
    • Astro-imaging capability:
      Lunar & planetary
    • Dovetail bar system:
      No
    • Motor drive compatibility:
      Clock drive included
    • Computerized compatibility:
      Not compatible
    • Tracking rates:
      Sidereal
    • Bearing material:
      Friction bearings
    • Power requirement:
      9-volt battery
    • Latitude range:
      14-70
    • Setting circles:
      Yes
    • Polar-axis scope:
      Not available
    • Counterweights:
      One 4.8 lb.
    • Tube material:
      Steel
    • Tripod material:
      Aluminum
    • Counterweight bar length:
      8 in.
    • Diameter of counterweight shaft:
      12mm
    • Height range of mount:
      32.50 in. - 54.75 in.
    • Length of optical tube:
      18.0 in.
    • Weight, optical tube:
      4.0 lbs.
    • Weight, mount/tripod:
      11.9 lbs.
    • Weight, fully assembled:
      20.7 lbs.
    • Additional included accessories:
    • Other features:
      Collimation cap, Moon Map 260
    • Warranty:
      One year
  • In The Box

    Orion 4.5" f/4.0 reflector telescope optical tube assembly
    Orion AstroTrack Motor Drive
    25mm Orion Sirius Plossl telescope eyepiece (1.25")
    10mm Orion Sirius Plossl telescope eyepiece (1.25")
    Tripod legs
    EQ-1 equatorial telescope mount
    EZ Finder II reflex sight aiming device
    Collimation cap
    Tube rings
    Counterweight
    Counterweight shaft
    Tripod accessory tray
    Slow-motion control cables
    Latitude adjustment T-bolt
    Orion MoonMap 260

  • Important Shipping Information

    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
    Standard Delivery to Canada: $15.00
    3 Day Delivery: $40.00
    2 Day Delivery: $40.00
    Next Day Delivery: $55.00

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