Question about Swift 863R (150 x 114mm) Telescope

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Can't see out of the side view on telescope - Swift 863R (150 x 114mm) Telescope

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Your scope needs to be collimated--- read this and find a local astronomy club to help you.

Posted on Jun 04, 2009


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Posted on Jan 02, 2017


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I have a Celestron beginner First Scope telescope. The target is upside down. How do we adjust the telescope to get the target right side up?

Hi, Linda,
Astronomical telescopes always display the image inverted, since the major use is viewing stars, which look pretty much the same either way up. The only time you'll notice the difference is if looking at the Moon, or Jupiter.
The reason is that the lens assembly which corrects the view for terrestrial use is omitted, to enhance the telescope's light-gathering power, to enable the user to see greater distances.
I believe it is possible to obtain a correction adaptor, for terrestrial viewing, for some telescopes.

Dec 03, 2017 | The Optics

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Every thing looks us-side down?

All reflector-style telescopes generate an "up-side-down" image. This is normal. (Remember, there is no up or down in space!) You can, however, buy an erecting prism for terrestrial viewing.

Jun 15, 2014 | Edu-Science (10166) Telescope

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A friend of mine just purchased a used Polaris 60EQ-D telescope and asked if it can be used for terrestrial viewing. Are there any types of lens adapters to flip the view to right side up?

Yes they are called "erecting diagonal" like this one:*25-inch-45-deg-orion-correct-image-prism-telescope-diagonal

Sep 28, 2010 | Meade Polaris 60EQ-D (36 x 60mm) Telescope

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Everything is upside down on side eye piece. When viewing through the scope that's on the side of the telescope itself, everything is upside down. No matter which way it is turned, the same problem exists.

All astronomical telescopes show upside down images. It's completely normal. Nothing is wrong with the scope. For terrestril viewing you can buy an "erecting prism diagonal" which will turn the images right side up.

Like this:

Jul 21, 2010 | Edu-Science (10166) Telescope

1 Answer

How to focus telescope lens for city viewing?

No no manuals. The smaller the number written on the eyepiece the GREATER the magnification.

However many astronomical telescopes show everything upside down. This is normal -- no up or down in space. You can buy and erecting prism diagonal for terrestrial viewing which will turn the image right side up.

Jan 31, 2010 | C-Star Optics Optics

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View is side to side.

All astronomical telescopes show upside down images. You would need to add an additional "erecting prism" to turn them right side up. This just puts more glass between you and the dim sky image. You can buy an "erecting prism" from many on line retailers.

Here is one:

Nov 15, 2009 | Tasco Luminova 40076420 (420 x 76mm)...

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Bought a Geovision Precision Optical Omega Reflector telescope with a manual from a garage sale, please help locate the instruction manual, or tell me how to get the view right side up.

The view through an astronomical telescope is always upside down. When your looking at stars and planets, it makes no difference. If you want terrestrial view, get spotting scope - that's not what reflectors are for. If you still insiste on view right side up, you'll have to buy and inverting eyepiece or adapter and probably spend more than you paid for the scope.

Jul 20, 2009 | Optics

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Viewing right side up

ALL astronomical telescopes are upside down--- no up or down in space!

You can buy an "erecting" diagonal which will invert the image for terrestrial viewing--

Jun 21, 2009 | Bushnell Voyager 78-9440 (440 x 12.5mm)...

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Want to see images right side up

You do not need an erecting prism to view objects at night. These are used if you wish to view terrestrial objects since it turns them right side up.

If you have a reflecting telescope (it uses mirrors) it's normal to not use an erecting prism or as they are also known as star diagonals. Objects will appear inverted and that's normal. A refracting telescope (no mirrors, just lenses) will also invert the image but it is quite often used with a star diagonal to make it easier to view. There are many other types of telescopes that use a combination of mirrors and lenses.

I hope this helps.


Mar 29, 2009 | Optics

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I buy new tesco telescope 40-114675 but i am very surprise there is one black x-ray tpe thing front of telescope do we need to move that because we cant seee any thing

That is the 'Sun' filter.
You will need to remove that for normal viewing.
Also be aware, that looking directly at the sun through the telescope, could pemanently damage your vision.
If you want to observe the sun, look to the side of it.
You can also buy a filter, for viewing the moon.
Happy stargazing ;)
& don't forget a nice thumbs up rating for me. Thankyou ;)

Oct 22, 2008 | Tasco 350x50mm Refractor Novice Telescopes

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