Question about Bushnell Voyager 78-9945 Telescope

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Solution to not seeing thru

A co-worker just removed the top of the telescope and then, removed teh long piece where you look thru and put the lens in. we tried it during the day and can see as clear as day teh trees. now the issues is the night time.

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1.Start sky watching with moon .You try to locket moon first.See proper how change in vision using focusing knob.
2. Than you try to see Jupitor,Seturn etc.

Posted on Jul 12, 2011

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Why can't I see anything? I have removed the lens cover (the whole thing). When I take the eye piece out adn look through the focusing mechanism I can see light and very small images. When I put the eye...


Put the eyepiece with the largest number written on it into the scope and try again. Contact Bushnell directly for repairs:

http://www.opticsplanet.net/bushnell-warranty.html

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Put the eyepiece with the largest number written on it into the focuser-- try again. You may need to make several turns of the focuser knob to get into focus.

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Own 102mm ASTRO-NOVA telescope 525x power.when looking thru the finder scope everything is upside down...purchased to view lake home boats, birds,ect. what is the matter?


there is one more piece that gos to the end you put your eye on it .if you take it of you will see it is just a mirror not the lens that you need.

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Yes it will focus --- put the eyepiece with the LARGEST number written on it into the scope. DO NOT use the 2x or 3x barlow.

Practice focusing on a distant object at least 100 yards away during the day. The moon should be your first night time target.

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Put the lowest power eyepiece into the telescope-- that's the one with the LARGEST number on it--

Take the scope outside and point it at a distant object over 100 yards away. Then practice focusing the telescope-- turn the knob slowly.

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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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Hello,
What you have is called a refractor-type telescope with the primary lenses (the Objective) at the top of the tube and the only other lenses in the system are your selection of eyepieces, probably a barlow lens (2X magnification of any eyepiece used), and a diagonal (in line mirror so that you cand see into the telescope from the side.). As the focal lenth of the eyepiece decreases, so does the distance away from the Objective Lens. I believe that you are using the telescope with a diagonal mirror which makes the optical path longer. The fact that your longer focal lenght eyepiece can focus and not your short one would be only if you didn't have the diagonal or the eyepiece all the way in tight to allow the focus mechanism (rack and pinioin) to get compressed enough to focus. Look at the Moon, if the image gets smaller then bigger as you focus, but not sharp, then I would have to tell you that your eyepeice lenses are not in the right order. Someoner may have taken it apart and didn.t put them back in the correct order. The lenese could just be very dirty also. Barrow a short focal lenght eyepice from a friend and see if it works in your system. Then you will know for sure.

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