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Orion Telescopes
Beginner
Orion StarBlast II 4.5 Equatorial Reflector Telescope
Was 
$199.99
Now 
$179.99
You Save 
$20.00
 
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In Stock
  • The whole family will enjoy the StarBlast II 4.5 EQ thanks to its great optics, convenient portability, and easy-to-use operation
  • Views of everything from the Moon and planets to distant objects like star clusters and galaxies appear bright and clear through this petite telescope
  • A fantastic wide-field astronomy telescope with reflecting optics large enough to keep you and your family busy viewing for years to come
  • The included EQ-1 mount makes it easy to keep moving objects centered in the eyepiece with its handy slow-motion controls
  • Included 25mm and 10mm Sirius Plossl eyepieces provide 18-power and 45-power views right out of the box! Also includes a MoonMap 260, EZ Finder II reflex sight, adjustable-height tripod and more


Learn more
Item #  09250

A telescope is a great gift for those interested in space and the stars. Especially a telescope like the Orion StarBlast II 4.5 EQ. It's a real, bona-fide reflector telescope with sophisticated features which will help inspire beginning stargazers night after night.

With its 4.5"-diameter reflector tube and sturdy equatorial (EQ) mount with slow-motion controls, this telescope goes beyond the capabilities of smaller beginner models to support amateur astronomers as their interest in space grows into a lifelong appreciation of stargazing and science. The compact Orion StarBlast II 4.5 EQ is a favorite of both beginners and expert astronomers alike, and stargazers won't outgrow the telescope thanks to its great optics, convenient portability, and easy-to-use operation.  

The StarBlast II 4.5 EQ will amaze the whole family with bright views thanks to its big, 4.5"-aperture telescope tube, which collects a lot of light from the night sky to send bright, clear images of objects in space to the telescope eyepiece for viewing. The telescope's combination of short 450mm focal length and sizable 4.5" aperture means the StarBlast II 4.5 EQ will provide brighter views at any magnification compared to longer focal length telescopes, which makes it easier for everyone, and especially beginners, to locate interesting sights in the night sky. Using a telescope allows backyard stargazers to explore the sparkling night sky and search out interesting objects to observe. Everyone in the family will enjoy using the StarBlast II 4.5 EQ to look at fascinating craters, valleys and mountains on the Moon; and bright planets like Jupiter, Saturn and Mars. Even distant objects like star clusters, brighter nebulas and galaxies can be seen in this petite reflector telescope.

Let's take a closer look at all the great accessories you'll get with the StarBlast II 4.5 EQ telescope:

Start stargazing with the 25mm Sirius Plossl eyepiece.

The included 25mm Orion Sirius Plossl eyepiece provides an 18-power view in the StarBlast II 4.5 EQ with a 52 apparent field of view. The 25mm Sirius Plossl is a great eyepiece to use first when you use the telescope each night, since it provides a larger, less magnified window of night sky for you to view. This lower magnification makes it easy to find interesting objects in the night sky.

Increase magnification with the 10mm Sirius Plossl eyepiece for more powerful views.

After you've scanned the skies with the 25mm Sirius Plossl ocular in the StarBlast II 4.5 EQ, take a closer look at interesting objects by swapping out the 25mm eyepiece with 10mm Sirius Plossl to boost magnification up to 45x. The more powerful view in the 10mm focal length eyepiece makes it easier to see details such as craters and mountains on the Moon, as well as details of bright planets like the moons of Jupiter and the rings of Saturn.

The included Orion EZ Finder II red-dot sight makes aiming the telescope nice and "EZ".

The Orion EZ Finder II reflex sight lets you aim the StarBlast II 4.5 EQ Reflector Telescope anywhere in the night sky. Following a simple alignment procedure, the EZ Finder II projects a small red-dot onto a viewing window, so all you have to do is move the telescope until the red-dot is aimed at the area of sky you want to see in the telescope.

Use the Orion MoonMap 260 to learn more about the lunar features you see in the telescope.

With locations and names of over 260 features on the Moon such as craters, mountains, valleys, "seas" and more, the included Orion MoonMap 260 is a great tool for beginning astronomers. This detailed map will even show you where various spacecraft have landed on the Moon's surface! The MoonMap 260 can be used to plan what to look at on the Moon, and to learn the official names of all the interesting lunar landscape features you see in the StarBlast II 4.5 Reflector Telescope.

The 4.5" telescope tube is supported by the sturdy Orion EQ-1 mount and an adjustable-height tripod. Since stars and other night sky objects appear to move across the sky over time, the EQ-1 mount is equipped with handy slow-motion controls so you can slowly "track" an object by twisting the slow-motion control knob to keep what you're looking at centered in the eyepiece. This lets you enjoy the view as long as you like without having to repeatedly re-aim the telescope. You can even add an optional electronic motor drive (sold separately) to the StarBlast II 4.5 EQ so it will track objects automatically once you've centered what you want to look at in the telescope eyepiece. The adjustable-height aluminum tripod allows you to set the StarBlast II 4.5 Equatorial Reflector up for comfortable views, while remaining lightweight so the entire assembled telescope is easy to transport.

If you're looking for an exceptional beginner telescope to nurture interest in space and science, or if you're seeking a second telescope that's more portable than your big "light bucket", then pick up an Orion StarBlast II 4.5 EQ. Trust us, you'll have a blast!   

Key advantages of the StarBlast II 4.5 Astro Reflector:

  • Fast f/4.0 optics and short 450mm focal length makes it easier to locate objects in the night sky compared to longer focal length beginner telescopes.
  • The combination of short 450mm focal length and sizable 4.5" aperture means the StarBlast II 4.5 will provide brighter views at any magnification compared to longer focal length telescopes.
  • The included Orion MoonMap 260 can help you identify the interesting lunar features you see through the telescope like craters, mountains and valleys.
  • Included eyepieces provide two different magnification options out of the box, and a collimation cap is included to help you align the telescope optics for peak performance.  

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Warning

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Product Support
Visit our product support section for instruction manuals 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
    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 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, Moon Map 260
  • Warranty
    One year

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
Tripod legs
EQ-1 equatorial telescope mount
EZ Finder II reflex sight aiming device
Tube rings
Counterweight
Counterweight shaft
Tripod accessory tray
Slow-motion control cables
Collimation cap
Latitude adjustment T-bolt

Orders received by 1pm Eastern Standard Time for in-stock item 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: $49.00
2 Day Delivery: $49.00
Next Day Delivery: $61.00

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