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Orion StarBlast 4.5 Equatorial Reflector Telescope

Retail Price: $259.99
You save: $20.00  (8%)
Our Price: $239.99



  • A wide-field reflector telescope with enough aperture to get 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
  • Works amazingly well with the included Expanse telescope eyepieces which yield a very wide 66° apparent field of view - your first look at the Andromeda galaxy will knock your socks off!
  • Fast f/4 optics and a short focal length provide a very wide field of view, making it easy to locate celestial objects without having to hunt around
  • The EQ-1 equatorial telescope mount makes tracking night-sky objects extremely easy using the included slow-motion controls. Also includes an EZ Finder II reflex sight for easy aiming, 15mm and 6mm 1.25" Expanse eyepieces, collimation cap, Starry Night 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
    450mm
  • Focal ratio
    f/4.0
  • Optics type
    Parabolic
  • Glass material
    Soda-lime plate
  • Eyepieces
    Expanse 15.0mm, 6.0mm
  • Magnification with included eyepieces
    30x, 75x
  • 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 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
    Collimation cap
  • Warranty
    One year

 

 


Add to Cart:

  • Model: 09798
  • Shipping Weight: 25lbs
  • Manufactured by: Orion

This product was added to our catalog on Wednesday 15 April, 2009.