Question about Bushnell Voyager 78-9565 (120 x 60mm) Telescope

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Something inside the telescope broke. adjustment knobs are broken

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Another "happy" Bushnell scope buyer. Never by a Tasco or Bushnell telescope. These are considered "toy" telescopes and are usually NOT suitable for Astronomy.

Read my tips on my profile page, or return the telescope to where you bought it.

Posted on Aug 28, 2010

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I broke the Air flow adjusting knob and can not get air to release on my Musting 255 can you help.


replace them you can get them from guarantee vacuum and sewing center

Mar 17, 2014 | Vacuums

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I have just assembled the Tasco 70x 800 refractor, but there does not seem to be any way of adjusting the altitude. There is no knob to loosen the mount, only a nut which is hidden inside the mount which...


There appears to be a KNOB underneath that you loosen or tighten -- and also one on the altitude. Adjust these knobs so that you can move the scope but with some friction---here is the manual

http://www.tasco.com/products/manuals/SpaceStation6LIM_49060700_49070800_49114500.pdf

Apr 23, 2011 | Tasco 49070800 Spacestation(r) 70az...

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I have an ETX 80 and the motor runs but does not raise the tube, it lowers it and it slews left/right. Any ideas as to the problem. Many thanks in advance!!!


Is the clutch knob tight? If it is then something is broken inside the DEC clutch, causing it to slip.

Meade can repair these -- call customer service:

http://www.meade.com/support/index.html

Feb 21, 2011 | Meade ETX-80AT (240 x 80mm) Telescope

1 Answer

WE unscrewed a knob too far on the side and it


Take the mount off the tripod and remove the telescope. Lay it down on a table and see if you can get the latitude adjuster screw back in with no weight on the mount.

Jan 13, 2010 | Bushnell Telescopes Harbormaster

1 Answer

Vertical adjustment/lock knob is broken-any ideas how


You can do a do it yourself repair.
http://www.weasner.com/etx/techtips.html


and or call Meade and see if you can order a new part.

http://www.meade.com/support/index.html

Oct 13, 2009 | Meade ETX-80AT (240 x 80mm) Telescope

1 Answer

Knob broke off my A/C with the peg inside!


Simple you either replace the knob assembly or use araldite and fix off the broken knob. It is only a temporary remedy and for a permanent solution please replace the knob assembly and get rid off this problem

Jul 14, 2009 | Heating & Cooling

4 Answers

Can't focus my telescope


If there is nothing on the objective lenses or eyepiece lenses then it most likely needs collimation. This is where you adjust the secondary mirror while viewing an out of focus star. You need stable sky conditions to do this.

There are most likely three small screws at the front of the telescope and these are what you use to adjust it. As one screw is loosened then another is tightened. Do this in very small increments. If you have your manual it should outline how to perform this. If not go to this web site: http://www.astrosurf.com/legault/collim.html. It will show examples of how objects look both in and out of collimation. There is a section further down the page for SCTs.

A very handy tool for this is to replace your screws with Bob's Knobs (http://www.bobsknobs.com/) . These replace the screws and allow you to adjust it by hand instead of a screwdriver.

The other focusing problem I've experience with my Celestron SCT is to have the focus knob loosen up and then slip as I turned it so that I could never focus with it.

Good luck and clear skies!

-jodair

Mar 29, 2009 | Meade Optics

3 Answers

78-8831


If you dont have any experience with telescopes, I suggest trying it first in daytime, since daytime objects are much better for getting experience. Also, start with the lowest power eyepiece, the one with the largest lens. Start by looking towards something pretty big, like a car or a house, and it needs to be some distance away to even have a chance to get a focus. If your target is closer than about 1/4 mile, you should add the right angle eyepiece attachment to allow you to focus in on closer objects.

When you are finally set up with the low power eyepiece, and have a good big target in the daytime, start looking thru the telescope while turning the knob thru the entire range. At some point of knob turning, you should see some image appear in the eyepiece..Turn the knob slowly to focus it clearly.

And this is for the shaky tripod. If you can hang a book under the middle of the tripod, the added weight will help stabilize the telescope, and you should be able to see a little better, without so much motion at the slightest touch.

After you look at the first car or house, you can see how careful you have to be to use the telescope, and you can start to look at other objects. When you move to the higher power eyepieces, it will be even more critical in getting it both aimed and focused. If its off by just a few degrees, you wont see what you are looking for.

When you start nightime viewing, start with the largest object in the sky, the moon. Its the same process as daytime, except the eyepiece mechanism will have to be adjusted a little closer to the main body of the telescope.

Viewing planets and stars will be the ultimate test. Stars and planets are harder to see, since they are small, and hard to see unless they are in focus. When you can see those views, you have passed the telescope test. Its a matter of careful aim, and having the telescope focus set close to the point where you can see objects that are VERY FAR AWAY. If you are able to focus on the moon, you will be fairly close to being able to focus on the planets. The hardest part is actually getting the planet in the view of the telescope, in other words, aiming it.

The last item that can really mess up the view is a fogged up lens. Usually this happens in the summer when the scope has been in the air-conditioned room, and then it fogs up when taken outside. The solution for this is to let the telescope sit outside for 20 minutes, so the fogged lenses can clear. By the way, the same fogging may happen when you bring the telescope inside during the winter.

I hope this helps you eventually get a clear view of some amazing views in the sky. Your final exam is to take a look at the moon, the rings of Saturn, and the moons of Jupiter, some time in the near future. Have Fun!

Dec 26, 2007 | Bushnell NorthStar 78-8831 (525 x 76mm)...

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