National Geographic NG70CA (225 x 70mm) Telescope Logo
Posted on Dec 23, 2008
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National Geographic NG70CA Telescope .... help with

Hi, i just bought a National Geographic NG70CA Telescope and it was used. When I got it, the lenses were dirty so I took them out and cleaned them. They are perfectly clean, but I don't know if I put the Large one back in correctly. The "front" lens looks like it bulges more on one side than the other and I couldn't remember which way it came out. So I guessed and put it back in. With the 20 mm eyepiece, things look good, but with the Barlow lens and the 4mm lens I can't see squat. So I am wondering if I accidentally reversed the front lens? and If I did, would I be able to see something or is there a problem with my Barlow lens and 4mm eyepiece? Hope that made sense

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Joe Lalumia aka TelescopeMan

Joe Lalumia aka TelescopeMan

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  • Master 3,186 Answers
  • Posted on Jan 04, 2009
Joe Lalumia aka TelescopeMan
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Your small telescope will never get beyond about 100 power --- the maximum resolution is calculated as 50 times aperture under perfect conditions!

Use the eyepieces with the LARGEST numbers only and don't use the barlow.

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How many times can this telescope Edu-Science - Astro-Gazer - 70 Telescope see up to
The general rule is 50 times aperture. Your scope is about 2.5 inches-- so 50 times 2.5 or about 125 power--- MAXIMUM and only when the sky is very stable and transparent.
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Feb 11, 2011 • National Geographic NG70CA (225 x 70mm)...
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Hello, i was wandering if i could adjust my NG70FS telescope with a computerised base. the existing tripod is a mess. its loose and i cant observe many things. thank you very much. Giorgos Kalogirou
No, that telescope is not worth very much and you should not spend any money upgrading it. A good tripod would cost over $100. You really cannot buy a use-able telescope for much less than $200.

Here is the one I recommend to beginners, watch this video:
http://www.youtube.com/watch?v=FEs_MMcJ7JA
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Jan 11, 2011 • National Geographic NG70CA (225 x 70mm)...
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I was wondering if this specific has a manual? I am selling tomorrow and was wondering if there are any manuals out there
No manuals are available for that small telescope. The manual would only have assembly instructions it would not tell you how to find objects in the night sky.

Locate an Astronomy club and the members will help you learn the night sky.
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Dec 17, 2010 • National Geographic NG70CA (225 x 70mm)...
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How do i use the peice that hooks up to your laptop?
This is NOT a computer controlled scope--
http://www99.shopping.com/xPO-National-Geographic-National-Geographic-70mm-Compact-AZ-Refractor-w-table-top-tripod-

You probably have some kind of CD disk that has a planetarium program on it.

Here is a review of the telescope.
http://www99.epinions.com/reviews/pr-National_Geographic_NG70CA_Telescope
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Aug 29, 2010 • National Geographic NG70CA (225 x 70mm)...
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I recently moved to Florida and left behind the 20mm 4mm and diagonal mirror are they available to purchase
These come in 3 sizes-- .975, 1.25, an 2 inch sizes.

Measure the hole-- and buy the correct size. Here are two retailers-

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

http://www.agenaastro.com/
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Aug 19, 2010 • National Geographic NG70CA (225 x 70mm)...
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National geo telescope viewing saturn whats the chances
You can see Saturn it will be small however.

You can see Saturn WITHOUT a telescope -- it looks like a star in the sky. Download the free planetarium software Stellarium and it will show you what is up in the sky for any time or date. All of the planets follow the ecliptic across the sky-- the same path that the sun makes across the sky.

Saturn is in the Southeast after dark right now.

You can also download a free monthly star chart at www.skymaps.com
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Apr 23, 2010 • National Geographic NG70CA (225 x 70mm)...
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I need a prgram to be able to use my telescope camera but i cant find one where can i get one
You don't need a program. You will only be able to take very short exposures of the moon and maybe several of the brighter planets.

You need this device which allows you to mount any digital camera directly to the eyepiece.

http://www.telescope.com/control/astrophotography/astrophotography-accessories/orion-steadypix-deluxe-camera-mount

Now read my astrophotography TIP on my profile page.
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Mar 23, 2010 • National Geographic NG70CA (225 x 70mm)...
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I have just bought my son a NG70CA telescope. Have no manuals and cant find any on the web. As my son is very interested in star gazing..we can see the moon quite clearly but little else. Having seen...
Try to locate a local Astronomy club and attend their star parties. Also download the free monthly star chart at:

www.skymaps.com Objects in the sky are tiny. Your scope must be pointed directly at them or you will not see them in the eyepiece. Make sure the finder scope is aligned with the main tube perfectly. Then use the finder scope to align the telescope.

This may also help you:
http://www.cloudynights.com/item.php?item_id=810
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Sep 04, 2009 • National Geographic NG70CA (225 x 70mm)...
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You won't find a manual for that small telescope --- however Meade probably has one similar to yours-- go here and download a manual for free-

http://www.meade.com/manuals/index.html
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Jun 07, 2009 • National Geographic NG70CA (225 x 70mm)...
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Everything is upside down its an inexpensive national geogra childs telescope when you look thru it everything is upside down
Yes all astronomical telescopes are upside down! No up or down in space!

You can buy an erecting diagonal for about $45 from Orion Telescopes to use for terrestrial viewing.
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May 12, 2009 • National Geographic NG70CA (225 x 70mm)...
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