Guide :Optics : 3" Reflector Telescope w/Talking Guideand Tripod

Bushnell 700x76 I recieved this telescope as a Christmas gift 700x76 I cannot get a clear image thru it,I've used the 12.5mm lens the highest power lens it came with ,still can't see anything.What am I doing wrong?Please Help

Posted by 1woodshed on Jan 29, 2008

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I also have a jason mercury 420 telescope and was wondering if you knew where i could find a users manual bc I am having problems with my small lenses. I can see objects with just the telescope lens but when i put the small lens into the telescope tub the object bc so distorted or even total blackness...... I have played with the adjusters and still dont understand why I cant see anything. Please help. Thanks Ashley


You are using too much magnification. Put the eyepiece with the largest number written on it into the telescope. DO NOT use the 2x barlow if you have one. Take it outside during the day time and practice focusing on a distant object.
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Bushnell 700x76 I recieved this telescope as a Christmas gift 700x76 I cannot get a clear image thru it,I've used the 12.5mm lens the highest power lens it came with ,still can't see anything.What am I doing wrong?Please Help


Just got a 78-8831 and set it up according to instructions. After inserting lens into eyepiece, I can't see anything at all. Dont worry, I've removed the front cap from the the main telescope.Something leads to believe I'm either missing something real fundamental or my telescope is broken. Please help
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I bought aTasco Space Staion telescope (Model 49114500(Reflector) second hand,came with 4 different len's, but still can not see ANYTHING! There's a bright full moon out, but can not see anything. No light , nothing. This is my first spacestaion, and I'm not even sure if the lens are right. Anyone care to help this old man?


Put the eyepiece with the largest number written on it into the focuser. DO NOT use the 2x barlow if you have one. Go outside and try again.. The end with the focuser is the UP end of the tube. The mirror inside is the BOTTOM of the tube nearest the ground.
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National Geographic NG70CA Telescope .... help with


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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I can target moon or planet in view finder and see same using just the 45 degree mirror;but, when I put in lens the object of course is blurred.My question is...How do you focus???...I had a telescope previously and you had a knob to turn on lens to focus...Lens that came with scope had none and additional barlow 2x is same type lens I know to add...But can't figure out how to focus...Please help....David


The knob on the back of the tube is the focuser-- put in the eyepiece with the largest number written on it and try again.It's harder to focus at HIGH magnification the sweet spot is very tiny.Go here and download a manual:http://www.celestron.com/c3/downloads.php
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Cant see anything ?


I going to straight forward on this answer. This telescope is a useless piece of junk! The tripod is unstable, the .965 (obsolete size and design) eyepieces will only focus dead center. The finder is useless, too narrow a field to find anything. The high power eyepiece exceeds the maximum useful magnification (only 98x max under perfect conditions) This may be used for terrestrial viewing but worthless for astronomy.
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Cannot see anything thru telescope even daytime


Get Stellarium or another fine astronomy program During the day, point the telescope at a part of the landscape about 100 yards away. Use the lowest power eyepiece (highest number) in the focal tube. Center the landscape object in the telescope. Align the finder scope so that it points exactly where the main telescope is. At night, leave the scope out to reach thermal equilibrium (about an hour for small reflectors and refractors) If the scope is on a EQ mount, polar align. Point the finder at the moon. The moon should be in the main scope also. Practice finding the moon before you start on the planets Once you are comfortable with the moon and planets, you can go for the deep sky objects
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I am wondering how good you should be able to see images through a bushnell skytour 78-9960 telescope i can see the moon good but all the planets are really small and cant tell them from stars really. i have a 1.5x eyepiece 12.5mm lens 8mm lens and 4mm lens. Am i doing something wrong or is it just my telescope isn't powerful enough to see objects with any detail for like saturn or jupiter?


700mm FL with an aperture of 60mm gives you a focal ratio of 11.6, so you shouldn't even try using any EP with a FL shorter than 11.6mm, which mean only the 12.5mm would be of any use. Unless you can find a pitch black area with 0 light pollution and excellent seeing, then you could perhaps still get away with the 8mm. So with the 12.5mm, you're talking about a 56X magnification, so it would be rather hard seeing any details on the planets. You should be able to see Jupiter's moons (tiny dots) and Saturn's rings though.
Read More At : SkyTour 78-9960 (700 x 60mm) Telescope...

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