Orion 11043 SpaceProbe 3 Altazimuth Reflector Telescope Review

by Ali Ahsanul karim

Orion 11043 SpaceProbe 3 Altazimuth Reflector Telescope Review

Widely regarded as the best reflector telescope in it’s price range, the Orion Spaceprobe 3 telescope comes in two versions, is affordable, powerful, and made of high quality materials.

Orion 11043 SpaceProbe 3 Altazimuth Reflector Telescope

FeatureDetails
Telescope TypeReflector telescope
Aperture76mm (3 inches)
Focal Length700mm
Focal Ratiof/9.2
Mount TypeAltazimuth mount
Eyepieces1.25-inch diameter (25mm and 10mm)
Magnification Range28x, 70x
Finder Scope5×24 finderscope
TripodPreassembled aluminum tripod
Optical CoatingsAluminum coated primary mirror, multi-coated eyepieces
Limiting Stellar MagnitudeApproximately 11.2
Maximum Useful Magnification152x
Highest Practical Magnification152x
Apparent Field of View1.3 degrees
Tube Weight6.2 lbs (2.8 kg)
Total Weight11.3 lbs (5.1 kg)
Included AccessoriesAstronomy software, collimation cap, accessory tray

It’s a 3-inch (76mm) aperture, 700mm focal length telescope with an excellent Altazimuth or Equatorial mount which allow easy tracking of objects. Orion are among the most respected telescope manufacturers, along with Celestron and Meade. In fact, you will find most reviews here are for telescopes produced by these three manufacturers, as they make the best.

This telescope comes with a great set of accessories, and in the supplied kit you will find the following easily assembled items.

– Telescope tube made of aluminum, in an attractive blue color. The tube has the focusing gear attached, and focusing is done using a simple but smooth and effective rack and pinion system. An attached collimation cap allows adjustment of the primary mirror to ensure pin sharp images, although it is pre-set at the factory and should not need adjustment unless it get knocked out of alignment. The mirror is coated with Aluminum and Silicone Dioxide for long life and clarity.

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– Two Explorer 2 eyepieces. A 25mm eyepiece with 28x magnification, and a 10mm eyepiece with 70x magnification. Combined with the tube, this gives a maximum theoretical magnification of 152x, although about 95x is the highest practical magnification for a clear image. This will enable you to see details such as Saturn’s rings, bands of clouds on Jupiter as well as its’ larger moons, galaxies like M110, and the Orion Nebula.

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The basic model features an Altazimuth Mount, allowing simple up/down, and left/right movements, with a micro-adjustable control rod for altitude, and hand adjustment for left and right. This is a great way for beginners to learn how to track objects, as there is no complicated equipment to control. The only tricky bit is, in common with all reflector telescopes, the images are upside down, so you have to move the telescope in the opposite way you would expect to centralize the images.

For just a few dollars more, you can upgrade to an equatorial mount, which is a far more sophisticated way of tracking objects. Here, the mount can be finely adjusted using an effective set of cables, gears, and a counterweight, (all pre-assembled.)

Following some easy instructions, you set the Equatorial mount up, and it mimics the rotation of the Earth, and the operator can precisely track whatever they want.

– EZ Finderscope. This attaches to the telescope tube and you just need to align a red dot with the object you wish to view.

– Adjustable height tripod made of Aluminum, with a central accessory tray, giving you a stable platform to view objects from.

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Q1: What is the aperture size of the Orion 11043 SpaceProbe 3 telescope?

The Orion 11043 SpaceProbe 3 telescope has a 76mm (3 inches) aperture.

Q2: What is the focal length of the telescope?

The focal length of the Orion 11043 SpaceProbe 3 telescope is 700mm.

Q3: What is the magnification range of this telescope?

The Orion 11043 SpaceProbe 3 telescope offers two eyepieces with 25mm and 10mm focal lengths, providing magnifications of 28x and 70x respectively.

Q4: What type of mount does the Orion 11043 SpaceProbe 3 telescope have?

This telescope features an altazimuth mount, which allows for easy movement in both horizontal (azimuth) and vertical (altitude) directions.

Q5: What is the maximum useful magnification of this telescope?

The maximum useful magnification of the Orion 11043 SpaceProbe 3 telescope is 152x.

Q6: What accessories are included with the telescope?

The Orion 11043 SpaceProbe 3 telescope comes with a 5×24 finderscope, astronomy software, collimation cap, and an accessory tray.

Q7: How much does the telescope weight?

The tube weight of the Orion 11043 SpaceProbe 3 telescope is 6.2 lbs (2.8 kg), and the total weight, including the tripod, is 11.3 lbs (5.1 kg).

Q8: What is the limiting stellar magnitude of this telescope?

The Orion 11043 SpaceProbe 3 telescope has a limiting stellar magnitude of approximately 11.2, indicating its ability to observe faint celestial objects.

Q9: Is the primary mirror coated?

Yes, the primary mirror of the Orion 11043 SpaceProbe 3 telescope is aluminum coated for enhanced light reflection.

Q10: Is the telescope suitable for beginners?

Yes, the Orion 11043 SpaceProbe 3 telescope is often recommended for beginners due to its user-friendly features, compact size, and reasonable price range.

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Final Thoughts

For around $100 for the Altazimuth model, and $130 for the Equatorial model, you are getting a lot of telescope for your money, and these are among the most popular types on the market today.

In my opinion, you really can’t go wrong with such an affordable telescope from such a well regarded manufacturer, and Amazon carry these items in stock at some fantastic prices.

 

Ali Ahsanul karim

I'm Ali. BestTelescopeReview.com is my little place on the web to express what I've learned first-hand, specially about the telescope part. I am writing these articles to share my love for astronomy with you.