Question about Optics
I bought a national geographic telescope model ng76700 at a garage sale and would like to find a manual for it Thank you for your help
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: garage sale purchase
This is a small telescope.You will get limited views with this scope.However you will be able to see the craters on the moon and the rings of saturn.Although they will not have any detail.You will be able to use it as a terestrial scope.For that it is ideal.You will need an erecting lens to turn the view right side up.You need atleast 1 eyepiece,finderscope,erecting lens(for terestrial views)and maybe a barlow lens.Keep in mind it is not magnification you are looking for it is the ability to gather light and a 50mm is not going to gather much.the bigger the objective lens the more light it will gather.Think of animals that come out at night,their eyes are bigger than those that are out in day light.Because the bigger the lens the more light it gathers,so magnification only plays a part if you can see the target with your light gathering ability.Because just like 1000x0 is 0 the same gos for telescopes.1000xblack is black..
Posted on Sep 15, 2007
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-
Posted on Jun 18, 2009
Manufacturer is unknown for this scope, but it probably originates in China and is resold with the National Geographic brand name, 150$ seems a little high for a used one. I would probably price it at 100-125$ depending on the condition and the included accessories, if any.
Posted on Jul 27, 2010
SOURCE: i need a manual for
You will not find a manual for that imported telescope. NEVER buy scopes from Ebay, craigslist, or any of the big box stores unless you know what you are buying.
Most of them are imported and have NO CUSTOMER SUPPORT!
Posted on Sep 18, 2010
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