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  • Orion 09798 StarBlast 4.5 Equatorial Reflector Telescope, Metallic Green
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Orion 09798 StarBlast 4.5 Equatorial Reflector Telescope, Metallic Green

by Orion
| 31 answered questions

List Price: $239.99
Price: $199.99 & FREE Shipping. Details
You Save: $40.00 (17%)
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  • 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 degree 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.
3 new from $199.99 7 used from $184.13
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Frequently Bought Together

Orion 09798 StarBlast 4.5 Equatorial Reflector Telescope, Metallic Green + NightWatch: A Practical Guide to Viewing the Universe + Orion 05662 1.25-Inch 13 Percent Transmission Moon Filter (Black)
Price for all three: $239.59

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Technical Details

  • Brand Name: Orion
  • Model: 09798

Product Details

  • Product Dimensions: 20 x 12 x 44 inches
  • Shipping Weight: 21 pounds (View shipping rates and policies)
  • Shipping: This item can only be shipped to the 48 contiguous states. We regret it cannot be shipped to APO/FPO, Hawaii, Alaska, or Puerto Rico.
  • ASIN: B0069VYPV4
  • Item model number: 09798
  • Batteries 1 Lithium ion batteries required. (included)
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (88 customer reviews)
  • Amazon Best Sellers Rank: #738 in Camera & Photo (See Top 100 in Camera & Photo)
  • Date first available at Amazon.com: November 1, 2003

Product Description

Our compact, performance-packed Orion StarBlast 4.5 EQ Reflector telescope is a favorite of both beginners and expert astronomers alike. It combines the much-heralded Orion StarBlast 4.5-Inch wide-field (f/4.0) parabolic reflector optics with our sturdy EQ-1 equatorial tracking mount and adjustable-height tripod. The 4.5-Inch aperture reflector telescope's short focal length serves up a generous chunk of sky in the eyepiece, making it easy for beginners to find celestial objects to study. This tripod-mounted version of the StarBlast 4.5 reflector offers an even more pronounced wide-field viewing experience compared to its tabletop counterpart, as we've upgraded the telescope eyepieces to include two from the Orion Expanse series - a 15mm and 6mm - which have a large 66 degree apparent field of view. Observations of everything from the Moon to Messier objects appear exceptionally sharp and rich in contrast through this petite reflector telescope. The included 15mm Expanse telescope eyepiece provides 30x power magnification, while the 6mm Expanse eyepiece bumps up the power all the way to 75x magnification. The 15mm is a great eyepiece to begin observing sessions with, since it provides a large window of night sky for you to view. Once you've found an object you'd like to inspect more closely, swap out the 15mm Expanse with the 6mm eyepiece and enjoy a significantly more powerful view. An included Orion EZ Finder II reflex sight makes it easy to effectively aim the StarBlast 4.5 Equatorial Reflector Telescope anywhere in the night sky. 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 wish to view through the telescope. With the EZ Finder II reflex sight, star hopping around the sky is a breeze for anyone in the family!

Customer Questions & Answers

Customer Reviews

Very fun and easy to assemble and use.
Daryl W Johnson
I could not be happier with this telescope, and highly recommend it for anyone looking at buying a beginner's telescope.
N. Harshman
Overall the optics appear to be high quality.
Spider Dijon

Most Helpful Customer Reviews

152 of 158 people found the following review helpful By Sheryl Westleigh on February 6, 2009
Verified Purchase
I've wanted a telescope since I was a kid and now that I'm all grown up and can afford one I did a lot of research and comparison of scopes in my price range and the StarBlast always had the best reviews. The reviews are right, the first night I went out and looked at the moon, Venus, and a few other objects and they all exceeded my expectations for such a small scope. I can't wait for warmer weather so I can use it even more.

The equatorial mount is a bit complicated to use but I got used to it pretty quickly. I'd recommend the original Orion StarBlast 4.5 Astro with the simpler dobsonian mount for younger kids or people who need a lot of portability.
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74 of 80 people found the following review helpful By Marcus Ebenhack on March 4, 2010
Verified Purchase
I've never owned a telescope and got this for me and my 7 and 9 year old kids after doing some internet homework. It arrived packaged securely. was relatively easy to set up and we were exploring the heavens in no time. Showed my skeptic wife a planet, forget which one, she said "how do I know that's not just a bright star?" so I zoomed in on Saturn and there was no room for doubt! We live in a suburban neighborhood so the seeing conditions are generally not very good but even in these conditions the rings of Saturn were unmistakable. Can't wait to get out in the country to check it out under better conditions but so far we love it and highly recommend to others as a solid bang for the buck entry level scope.
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84 of 93 people found the following review helpful By C. L. Barger on September 16, 2009
Verified Purchase
Just got this scope and tripod. Weather has not cooperated for much viewing as yet. However, the few times I've been out with the scope, have been extremely pleased. Seems to be a good step up from the cheapo beginner scopes. If you are thinking about a starter scope and dont wish to spend lots of $$S, please take a suggestion from one who has been there and done that. Go ahead and spend over $200-250 for scope and tripod. I spent that much on numerous low end stuff that were unsatisfactory and generally broke soon after. This scope seems much more durable, viewing size is good and the tripod is all metal, very nice. So far no major cons. Will add more if I find any other info with further useage.
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28 of 29 people found the following review helpful By Vincent Ottobre on May 18, 2013
Verified Purchase
I'll start with simply saying that this is a great first reflector telescope, and if you're looking for one, look no further.

Got this in the mail Thursday after ordering Tuesday on standard shipping. Orion ships quick. The box on the outside got ruined by rain, but it's double-packed so no harm to the inner box or it's contents.

The disassembled scope is quite overwhelming at first, but I got it together in about an hour or so. Forgoing the included instructions, I instead used the Internet age to its full advantage. Orion has a very nice assembly video on Youtube as well as one for collimation of the telescope and there are some good ones by David Fuller about how to align and use the equatorial mount. The included screwdriver was very poorly deburred, so be careful of the sharp edges or use your own.

Collimation (aligning the mirrors) is very simple; however, one of the tools required is not included (a 2mm allen wrench). Fortunately, the secondary mirror which requires it was already collimated, so it just took a bit of fiddling with some knobs on the back and I was done in about a minute.

One of the first things you notice about the telescope is the sheer quality of the optics. They're absolutely stunning. The mirrors look like they've been sterilized by surgeons or something, it's almost unbelievable. The mirrors are almost sci-fi shiny, and the coated lenses included are very nice.

The telescope is reasonably portable and after complete assembly can be readily dismantled to about 5 components: the tripod, the scope, the two slow-motion knobs, and the counterweight. It's heavy, about 20 to 25 pounds, almost all located in the sturdy steel tripod mount and the counterweight.
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28 of 30 people found the following review helpful By K. Dinger on February 20, 2012
Verified Purchase
I have been using this telescope for the last 2 years and love it. I use it with my students and we see a lot. Now, don't let the product descriptions fool you by saying you can see the individual rings of Saturn. For 200 bucks you are not going to see that much detail and I didn't expect it. I would suggest you buy an accompanying moon filter. The moon through a powerful telescope is quite bright. I recommend this as a STARTER telescope!
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22 of 24 people found the following review helpful By armentrout on September 26, 2012
Verified Purchase
What a deal. Took me about 20 minutes to put everything together and not even 15 minutes later i was outside in my backyard and could clearly see Jupiter and four of its moons. I would really recommend on getting a 2x or 3x Barlow lens. The telescope can magnify about 230 times but with the eye pieces it comes with you only get about 75 times. The tripod it comes with is well worth the buy alone. I would highly recommend this telescope for any beginner or any space enthusiast.
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24 of 27 people found the following review helpful By Spider Dijon on December 27, 2012
I have always been interested in Astronomy but in the past 6 months I have started to gain interest in owning a telescope. After much research I continued to come back to this particular model. My wife must have paid attention b/c I got the Orion StarBlast 4.5 as an early christmas gift this year. I felt like a kid again on Christmas morning!

The telescope was packaged well and protected during shipping. The unit was easy to put together however the instructions could have had more diagrams - I grew up with Legos so I tend to work better with visual instructions. I ended up putting the instructions aside and put the telescope and tripod together based on the picture for the most part. I read through the instructions the following day and made some adjustments to my initial build. The EQ mount works great so far. My only gripe is with the latitude adjustment t-bolt. This adjustment can be cumbersome at times as opposed to the slow motion controls that are included for R.A. and Dec. The tripod itself is sturdy enough however 1 out of the 3 adjustable legs tends to stick. These are the only minor issues I have come across in the past week.

The EZ finder reflex sight has definitely made it effortless to zero in on objects in the sky. All of the components have a quality finish, especially the optical tube and the EQ mount. The 2 included eyepieces (6mm and 15mm) have allowed me to see the moon and Jupiter (including 3/4 moons). Views of the moon were crisp and sharp even in less than crystal clear skys. Overall the optics appear to be high quality. Im looking forward to the weather clearing up soon on the east coast so I can really explore the night sky. The portability of this telescope is also excellent.
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