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I have an older ETX Astro Telescope or ETX spotting scope. A small rectangular mirror has come loose in the main body of the telescope. It appears undamaged. Is there a manual that shows me how to place the mirror back in its proper place?

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This is a known issue with the older ETX scopes. You can use silicon sealant or a small amount of hot glue -- and just put the mirror back on it's small platform.

However you might need to disassemble the rear of the scope to do this. See this web site for instructions on disassembly.

http://www.weasner.com/etx/menu.html

Posted on Sep 08, 2010

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Meade ETX-90EC . i cant see through the telescope at all and the focus doesn't work at all. their are sounds if pieces "clanking" inside when it is adjusted into view


The flip mirror has fallen off inside the scope. This must be returned to Meade for repair. Here is their customer service phone number:

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

Sep 12, 2011 | Meade ETX-90EC (325 x 90mm) Telescope

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I have an older model meade etx astro telescope i see nothing but black when looking through my telescope..the lense cover is off...the mirror is in the up position like it should be....its nothing but...


Can you see Light through it during the day time? If you can nothing is wrong. Put the eyepiece with the largest number written on it into the TOP and try focusing on a distant object during the day time.

Turn the focus knob until you get a sharp image.

Feb 26, 2011 | Meade ETX-60 AT Telescope

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I have a Orion Cassegrain spotting scope (D:90 F:500) that will not focus. The focus knob turns but nothing happens.


The small "pin" which moves the mirror inside may have either come loose or broken. You will need to remove the focuser to find out.

Visit the Mighty ETX web site for instructions on how to do this.

http://www.weasner.com/etx/menu.html

Feb 11, 2011 | Orion Optics

2 Answers

Just looking at the astro gazer 70 and astro nova 100 as first telescope for my 6 yr old. both have a 6 x 25mm finderscopes and the only difference i see is the 100 has four eyepieces (4.5mm, 9mm, 12.5mm,...


DO NOT buy an Edu Science telescope. We receive many complains on these scopes.

Try this web site for a nice small Dobsonian style telescope, like this one.

http://www.telescope.com/control/telescopes/dobsonian-telescopes/orion-starblast-4*5-astro-reflector-telescope

Dec 07, 2010 | Edu-Science (10166) Telescope

1 Answer

I have a Meade ETX model M telescope. I need to


Meade "might" sell you the replacement part. But most likely they will want you to return the scope for repairs.

Call them:

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

Feb 10, 2010 | Meade ETX-105PE Astro Telescope Premier...

1 Answer

Can't see out of eye piece


This is a reflector style telescope. The MIRROR is in the base! Light enters the front near the focuser and goes down the tube and bounces off the mirror and back to the front and through the eyepiece. The EYEPIECE end is pointed up.

Your scope TUBE should look like the reflector telescope on this web page:

http://www.amazon.com/Edu-Science-Astro-Nova-102-Telescope/dp/B001NLOQN2

Wish you had NOT bought this telescope. For about the same price you could have bought this:
http://www.telescope.com/control/product/~category_id=classicdobs/~pcategory=dobsonians/~product_id=08942

The scope above has a 6 inch mirror which is almost twice the size of the scope you bought.


Dec 27, 2009 | Edu-Science (10166) Telescope

1 Answer

Need instruction manual for 1996 or 1997 etx 90 basic model


The manuals are all available to download from www.meade.com.

If your scope has the motor drives and a control panel into which a controller could be plugged, then you just need to buy an Autostar 497 - always available on eBay for about £85. However, there are older models of the ETX which only have one motor or as a spotting scope for terrrestrial use with no motors - Autostar cannot be connected to these.

Look at the pictures of scopes on eBay which come with Autostar - if your looks like these, Autostar will fit. Else you are out of luck!

Apr 11, 2009 | Meade ETX-90 (48x90 mm)

2 Answers

Trying to identify older tasco telescope and put it together


There are only two types of telescopes --- REFRACTORS, and REFLECTORS-

The refractor has a lens on the front of the tube and you insert different eyepieces in the back-- the larger the number written on the eyepiece the LOWER the magnification-- (DO NOT USE THE 2x or 3x barlow which you may have!-- this creates too much power for this small telescope!-- put it away and never use it!)

A reflector has a main mirror on the bottom of the tube, and a small secondary mirror under the eyepiece hole (focuser end) - front end-- put the lowest power eyepiece into the focuser.

Now with either type telescope go out side during the day and practice focusing on a distant object-- turn the knob SLOWLY. At night the moon should be the first target you try.

If you received what appears to be a smaller telescope -- that is the finder scope-- attach it to the top of the tube on the main telescope. Again during the day line up the small finder scope with the main scope-- look at a distant telephone pole (the very top-- and center this in the main telescope. Without moving the main scope use the finder scopes "screws" to adjust the cross hairs so they are pointing exactly where the main scope is pointed. Now you can use the small finder scope to point the telescope in the exact direction--

The moon should be your first night time target.

Good luck--

Mar 17, 2009 | Tasco Astronomical 302675 Telescope

1 Answer

ETX 125 Loose image when focusing


The ETX family (and other Meade LX telescopes), use a moving mirror system for focus. The focus knob moves the main mirror in and out. For smooth operation, there is some slack on the central tube that allows the mirror to rock slightly as it moves. That is a normal condition, and the movement is magnified, the greater the magnification of the eyepiece.

Jun 15, 2008 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

ETX-90 Focus


I suggest trying a different eyepiece first to see if that's the problem. Otherwise, if it was moved without adequate protection, there is a chance the mirror was shifted or damaged. A damaged mirror can't really be fixed since it's specs are very rigid. If it turns out to be a problem with the mirror the best thing to do is find an expert on telescope mirrors to try and fix the problem.

Nov 12, 2007 | Meade ETX-90 (48x90 mm)

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