Orion StarBlast II 4.5 EQ Reflector Telescope Kit
Item #20711
4.6 / 5.0
$249.99
Our compact StarBlast II 4.5 EQ combines 4.5" aperture wide-field (f/4.0) parabolic reflector optics with a sturdy equatorial mount equipped with slow-motion controls. Value-packed...
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Our compact StarBlast II 4.5 EQ combines 4.5" aperture wide-field (f/4.0) parabolic reflector optics with a sturdy equatorial mount equipped with slow-motion controls. Value-packed kit includes a Shorty 2x Barlow and Beginning Stargazer's Toolkit.
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This item is on backorder and expected by 03/23/2021.
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  • More Info
    • This wide-field reflector telescope has enough aperture for great views of the Moon, planets, and many bright deep-sky objects
    • A fantastic general-purpose astronomical telescope - great for the beginner to test the waters with mirror optics large enough to keep you and your family busy viewing for years to come
    • Included Shorty 2x Barlow doubles the magnification of both included eyepieces
    • Use the included Star Target Planisphere and MoonMap 260 to plan stargazing sessions
    • The included Orion Telescope Observer's Guide book will lead beginning amateur astronomers to over sixty interesting objects to explore
  • 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
    • Dovetail bar system:
      No
    • Motor drive compatibility:
      Clock drive sold separately
    • Computerized compatibility:
      Not compatible
    • Bearing material:
      Friction bearings
    • 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, Shorty 2X Barlow, Star Target Planisphere, Telescope Observers Guide, Mini Red LED Flashlight
    • Warranty:
      One year
  • In The Box

    Orion 4.5" f/4.0 reflector telescope optical tube assembly
    25mm Orion Sirius Plossl telescope eyepiece (1.25")
    10mm Orion Sirius Plossl telescope eyepiece (1.25")
    Orion MoonMap 260
    Orion Shorty 2x Barlow lens (1.25")
    Orion Star Target Planisphere
    Orion Telescope Observer's Guide book
    Orion RedBeam Mini Red LED keychain flashlight
    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

  • 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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