Question about Edu-Science (10166) Telescope

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I purchased a Edu Science 70mm Astro-Gazer telescope for my son for Christmas and discovered that the finderscope that came with it is showing everything upside down. I returned it and the new telescope had a finderscope had the same issue. What am I missing? This does not seem normal.

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Astronomical telescopes usually show an upside down image. There is a good reason for this- erecting the image needs more bits of glass in the light path, which reduces the amount of light and increases aberrations. Even if this is only slight, astronomers prefer to avoid it, and they don't really care which way up the Moon or Jupiter appear.

The main scope is probably also designed this way, but many amateur scopes now come with an erecting prism or eyepiece attachment that turns the image upright. You may have fitted this and not realise that it is an add-on, and that it is un-natural for an astronomical scope to display upright images.

Posted on Dec 29, 2010

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How many times can this telescope Edu-Science - Astro-Gazer - 70 Telescope see up to


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We purchased an edu science telescope. model - 70 mm astro-gazer telescope. When we look through the "finderscope" everything is upside down. What do we do to fix this problem?


It isn't a problem. Astronomical telescopes usually show an upside down image. There is a good reason for this- erecting the image needs more bits of glass in the light path, which reduces the amount of light and increases aberrations. Even if this is only slight, astronomers prefer to avoid it, and they don't really care which way up the Moon or Jupiter appear.

It is possible to fit an erecting prism or eyepiece to most astronomical telescopes, and some of them come with one (your main scope may have one), but one wouldn't bother to do this with the small finder scope.

Feb 02, 2011 | Edu-Science (10166) Telescope

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II bought a telescope Edu Science Star Gazer 70MM for my children, and in the seeker the images are seen upside-down. It is normal it or the lenses are defective? It is the first telescope and the truth is...


Astronomical telescopes usually show an upside down image. There is a good reason for this- erecting the image needs more bits of glass in the light path, which reduces the amount of light and increases aberrations. Even if this is only slight, astronomers prefer to avoid it, and they don't really care which way up the Moon or Jupiter appear. It is possible to fit an erecting prism or eyepiece to most astronomical telescopes, and some of them come with one, but one wouldn't bother to do this with the small finder scope.

You might like to visit an excellent website for first time telescope users at THIS LINK

Jan 07, 2011 | Edu-Science (10166) Telescope

1 Answer

Just go the telescope and my son lost a piece on the eyepiece. it's a edu science telescope astro-gazer. Can you buy new eyepieces for it


Yes, but the ones for sale are all metal and not plastic like the ones that came with that scope (sold by Toys R Us).

They may cost more than what the entire telescope cost you.

Eyepieces come in 3 sizes --- .965 inch, 1.25 inch, and 2 inch. Measure the hole in the focuser. The .965 size is a little hard to find since most commercial telescopes use the 1.25 inch size.

Look around here:
http://www.surplusshed.com/

http://shop.telescope-warehouse.com/

http://www.agenaastro.com/

Dec 08, 2010 | Edu-Science (10166) Telescope

2 Answers

Just looking at the astro gazer 70 and astro nova 100 as first telescope for my 6 yr old. both have a 6 x 25mm finderscopes and the only difference i see is the 100 has four eyepieces (4.5mm, 9mm, 12.5mm,...


DO NOT buy an Edu Science telescope. We receive many complains on these scopes.

Try this web site for a nice small Dobsonian style telescope, like this one.

http://www.telescope.com/control/telescopes/dobsonian-telescopes/orion-starblast-4*5-astro-reflector-telescope

Dec 07, 2010 | Edu-Science (10166) Telescope

1 Answer

I have a edu science 70mm Astro-Gazer. I lost the manual and forgot how to use it. I have 4mm and 20mm lens and I can see moon via 20mm lense. But how can I use 4mm or 3X part to magnify the view ? Thanks!


That little scope will NEVER be able to use the 4mm with the 3xbarlow, just too mmuch magnification. The maximum possible magnification for ANY telescope is about 50 times aperture.

Your scope is about 3 inches so 150 power is the maximum.

Read my tips on my profile page.

Sep 22, 2010 | Edu-Science (10166) Telescope

1 Answer

Hello..... my son's telescope broke at the base where the tripod legs connect. We bought it at Toys R Us about 14 months ago. The model is Astro-Gazer 70. Is there a place to get a replacement base?


No sorry. This is just about the worst telescope you can buy. We get more complaints on that brand than just about any other. You might find something at a well stocks hardware store that you can use to fix it???

But why even try to fix it. Buy your son this telescope instead.
http://www.telescope.com/control/product/~category_id=classicdobs/~pcategory=dobsonians/~product_id=09804

and read this web site and my TIPS on my profile page.
http://www.texasastro.org/telescope.php

Jun 09, 2010 | Edu-Science (10166) Telescope

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I bought my son the 70mm Astro-Gazer and the software is designed for PC.. Where can i find in 2 cd-roms for a mac computer


This is just a free planetarium software. No big deal. They are available for FREE on the internet.

Download the free planetarium software called Stellarium. Download the MAC version. Install it on your computer and put in your location.

It will show you the sky for any time or date. Also download the free monthly star chart at www.skymaps.com

The back page tells you what is visible in the sky.

Dec 29, 2009 | Edu-Science (10166) Telescope

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