Question about Zhumell Dobsonian 10 in. (600 x 254mm) Telescope

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Cannot get fine focuser to work on Zhumell 8" Dob

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Focuser could be broken. Call a dealer and see if you can purchase a new focuser-- or a replacement focuser(which you can do).

OPT is a really good internet dealer--
www.optcorp.com

Posted on Aug 01, 2009

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Posted on Jan 02, 2017

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I have a Zhumell 10 inch dobsionian telescope one day was working fine and try useing the next night and now refuses to focus.


Did you try to use a very HIGH powered eyepiece like a 5mm or a 10mm with the 2x barlow added?

Just too much magnification for the sky conditions. Also some eyepieces do not have enough back-focus" to come to focus-- try pulling the eyepiece slightly OUT of the focusing and lock it down-- this may give you enough distance to come to focus.



www.telescopeman.org
www.telescopeman.us
www.telescopeman.info

Aug 16, 2011 | Optics

1 Answer

Where can i get a manual for Zhumell Perigee 100 telescope


From any Zhumell dealer -- look them up on the internet.

Jan 17, 2011 | Zhumell Perigee 100 Telescope

1 Answer

Need to find replacement lenses got at a pawn shop as a freebie with purchase of another scope


Eyepieces can be bought at many on line retailers. Here is one, your scope probably uses the 1.25 inch size-- measure the hole in the focuser.

http://www.agenaastro.com/

Dec 22, 2010 | Zhumell Eclipse 114 Telescope

1 Answer

The spring connecting the clock drive broke


You may be able to buy a replacement drive from a Zhumell dealer?

Here is one. Contact them and find out.

http://www.telescopes.com/telescopes/zhumell/8197+8198+8269.cfm?source=googleaw&kwid=zhumell%20telescopes&tid=exact

Dec 19, 2010 | Zhumell Eclipse 114 Telescope

1 Answer

My left eyepiece on my Zhumell 20X80 will not turn to allow me to focus it. The right one works just fine. I don't want to force the left eye piece. Is there a locking mechanism I'm not aware of? Is this...


Typically the left eye piece is not adjustable. You focus the left eye with the center adjustment and then focus the right eye with the eye piece adjuster. I hope this helps.

Dec 12, 2010 | Zhumell SuperGiant Astronomical Binocular

1 Answer

Why should the coarse focusing knob not be used when focusing with the higher-powered objective lenses


There are two reasons. One reason is that when on high power you are working so close to the glass slide that it is easy to misjudge how much you are moving the specimen toward the lens that you can break a slide before you realize it. The coarse focus moves the stage with the specimen on it very fast and you only have a very very short distance within the focus plane before you run the objective lens into the slide.
Secondly, it is just harder to control the minute adjustments needed at the higher powers with the "coarse" focus knob. If you start at the low magnifications find what you want to concentrate on with the coarse focus knobs and then work your way up to the higher powers, you will have very little trouble moving to the fine focus controls at 40x and 100x while still having control of your image.

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1 Answer

Directions on how to Put a Aurora 70 Telescope together


Here is the manual:
http://www.zhumell.com/manuals/Aurora_Manual.pdf

Also other info on the zhumell.com web site

Dec 24, 2009 | Zhumell Aurora 70 (165 x 70mm) Telescope

1 Answer

Inability to focus on close objects


Thats most likely its focal point. 50 yards you will have to unscrew the view lens and make an adapter out of a paper towel roll and keep working with it till you get what you want. Its just the way it was made.

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1 Answer

Dont now how to work my telascope


Zhumell Eclipse 114 with Motor Drive Reflector Telescope How to use it? I have one here? Can u give me video"How to use it" My mail: vincent261088@gmail.com

Apr 18, 2008 | Zhumell Eclipse 114 Telescope

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