Question about Bushnell NorthStar 78-8846 (675 x 114mm) Telescope

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Can't focus telescope

Unable to focus telescope

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  • Anonymous Nov 22, 2007

    IM RAHUAL & IM PURCHES THE TELESCOP & MY RANGE IS 1500 TO 2500 Rs

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Use the lowest magnification eyepiece-- that's the one with the LARGEST number on it.

Try focusing on a distant object during the day time.

Posted on Dec 28, 2008

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  • Master
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Here is the link to the user manual for your scope; http://www.bushnell.com/customer_service/manuals/telescopes/78-8890_Northstar.pdf Hopefully you find the info you need in there, if not, please post again with more info and we can try to help :)

Posted on Apr 22, 2007

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1 Answer

My daughter recieved a telescope 50x/100x w/ tripod for christmas and we are unable to see anything out of it? Not to mention that one of the focus lens did not come with a cap.


This is considered a toy telescope. Put the eyepiece with the largest number written on it into the focuser-- DO NOT USE the 2x barlow if you have one. Practice focusing on a distant object during the day time.

Read my tips on my profile page

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I have a brusser telscope, i point it an the moon but cannot focus it in, but i can focus on a tree leave with noproblem. what am i doing wrong


We receive more complaints on that telescope than just about any other. Many people post the same problem -- unable to focus. Take it back to where you bought it, and never buy that brand again.

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1 Answer

We are unable to see anything through the scope. Can you send instructions that are in laymens terms?


There are TWO types of telescopes a refractor and a reflector.

The picture you posted is a refractor telescope.

Put the eyepiece with the largest number written on it into the focuser. You may also have a diagonal which contains a small mirror and makes it easier to look through the telescope when it is pointed up.

If you do have a diagonal, put it into the focuser first, and then put the eyepiece into the diagonal. Take the scope outside during the day time and practice focusing on a distant object.

Aug 09, 2010 | Barska Optics (AE10752) Telescope

1 Answer

Unable to focus telescope


You never said what type of telescope you have???? While you can buy replacement focusers they are expensive and probably not worth doing. Here is a link to some replacement focusers.

http://www.telescope.com/control/category/~category_id=focusers

Sep 07, 2009 | Tasco 600X60mm Astronomical Refractor...

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My son got a telescope and we are unable to focus on anything.


Use the lowest magnification eyepiece which is the one with the largest number on it--- DO NOT use the barlow which will DOUBLE the magnification!

Go outside and focus on a distant object (during the daytime) and practice focusing the telescope. Move the focus know slowly in and out until you get a sharp image.

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The screws should be short enough not to stop the primary's travel, but pull them out and try it again. Good luck! George.

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Try tightening the grub screw that fastens the knob onto the shft that it turns.

Better still, buy a flexible extended focusser which makes focussing much easier. Check on eBay for "Meade flexible focus"

Sep 27, 2007 | Meade Telescope

1 Answer

Focus


are you using a ccd or are you attempting to focus visually?

Sep 15, 2007 | Meade RCX400 12 Telescope

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