Question about Meade ETX-90EC (325 x 90mm) Telescope

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Mounting finderscope I have meade 828 finder scope need to find female dovetail to connect to a three inch collar, the finder scope has all the mounting hardware except the mount that it slides into on the meade telescopes

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You can call Meade customer service and see if they will sell you this small part-- probably called a dovetail mount--

These can be bought from several different places if you know exactly what you need.

Posted on May 15, 2009

  • Joe Lalumia aka TelescopeMan

    OPT and Orion both sell dovetail mounts--

    http://www.optcorp.com/

    http://www.telescope.com/control/main/

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I cant view anything from the finderscope in relation to the telescope


They must be lined up, and if you are using a higher power eyepiece, this must be more precise as your field of view is smaller.
There will be some type of adjustment on the finderscope, probably 3 thumbscrews around the holder tube.

Put in a low power eyepiece and point the scope at a local feature such as a streetlight or distant building. Get this centered in the eyepiece. Then adjust the finder only so the feature is centered in the finder as well.

Put in a higher power eyepiece and center the feature again in the telescope EP, and readjust the finder centering by itself, if needed.

Then choose a bright star and by moving the scope mount, place this in the center of the finder. Check if the star is properly centered in the EP as well and if not, move the scope mount until it is. Then finally adjust the finder centering by itself.

Feb 07, 2012 | Celestron Telescopes

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Hi The sross hair on the finder scope has broken. How do you get the scope apart to replace the broken hair? Robert Jenkins


It would be better just to replace the finderscope. Even if you disassembled the finder you may not be able to permanently center the two crosshairs perfectly.

You have a very nice scope-- buy another finder -- I would suggest that you mount a Telrad finder like this one.

http://www.telescopes.com/telescope-accessories/finderscopes/telradreflexsightwithmountingbase.cfm

$39 dollars

Sep 23, 2011 | Meade LX90 8 (500 x 203mm) Telescope

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I have a dobsonian telescope. I'm able to find an


If you point it at a STAR --- it will NOT be magnified. Stars are always just points of light no matter which scope you own.

OR do you mean it's in the finderscope but not in the main tube eyepiece?? We need more information to properly answer you.

You did put an eyepiece into the focuser-- right?

Sep 21, 2011 | Meade 10050502 10 Inch Lightbridge F5 50...

1 Answer

We have a star-tracker II that came without a finderscope mount. how can we get one?


Many on line retailers sell finder scopes. Her is one:

http://www.telescope.com/control/accessories/telescope-finder-scopes

Nov 27, 2010 | Edu-Science (10166) Telescope

1 Answer

Missing the finderscope on an edu-science 525 power


Don't bother putting a finder scope on this. It is not worth it.Spend the money for a Meade or Celestron. Both have relatively inexpensive starter scopes.
Below is a good scope from Orion for under $100
Orion Dob

Nov 16, 2010 | Edu-Science (10166) Telescope

1 Answer

I can't see anything out of the large scope


Use the 20mm to view an object (building, tree etc.) far away during the daytime. Align the finderscope to the object.
To view the moon, leave the scope out to equalize the temperature for at least 1/2 hour. Use the 20mm and no barlow. Point the scope towards the moon by sighting along the barrel of the scope, then use the finder to zero in on the moon. You may then switch to the 4mm eyepiece. for a more magnified view of the moon. You will have to keep moving the telescope because of the earth's rotation. The higher the magnification, the more you will have to adjust the scope. Because of the cheap finderscope, finding the planets will be difficult. Best to always sight down the length of the scope to get you close. The planets will be small and indistinct.
This is not a astronomical telescope! May be used for views of the moon but the cheap mount is not suitable for other planets. Max power would be 225x NOT 420x as advertised. The erecting prism is for terrestrial use only.
Nothing discourages an amateur astronomer more than a toy store telescope. My advise would be to use this scope for nature watching and go buy a good telescope (Meade, Celestron, Orion etc.). Even Those 60mm refractors are superior to this! A descent scope would cost a minimum of $200

Nov 03, 2010 | Bushnell Deep Space 78-9512 (120 x 60mm)...

1 Answer

My New 12? Meade LX200 ACF GPS telescope does not have the two screw?s in the front and the rear of the top of the main optical tube for mounting a dovetail plate to the top center or does it have screws...


You may need to mount just a rail like this one:
http://www.scopestuff.com/ss_mrail.htm

You can call Meade directly and ask:
http://www.meade.com/support/index.html

Apr 28, 2010 | Meade LX200GPS Telescope

1 Answer

Can use my orbitor 4500 w o a viewfinder?


Do you mean the small "finderscope" mounted on top?

Yes you can use it but the finder makes it easier to point the scope. You can buy small red dot finder scopes here:

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

Nov 05, 2009 | Tasco Astronomical 302675 Telescope

1 Answer

Balancing a 70mm refractor tube


Looking at pictures I found on the web, I see a knob on the bottom that tightens the scope to the dovetail bracket on the bottom of the scope. First attach all of your eyepiece then loosen that knob and slide the scope back or forth until it will balance without tightening the knob. Or if you do not have the manual you can download it for free here.

http://safemanuals.com/user-guide-instructions-owner-manual/MEADE/70%20AZ-T-_E

Jan 16, 2009 | Meade Telescope

1 Answer

Red dot finderscope alignment problem


point the telescope at some thing during the day and adjust the finder scope and at night point at a star look through the eye piece and center the object in the eye piece then adjust the finder scope.

Jun 04, 2008 | Bushnell NorthStar 78-8831 (525 x 76mm)...

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