Question about Meade 07178-02, Eyepiece Super Plossl 56 mm 2 inch

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How do i convert my 1.25 to a 2in so i can use the meade 56mm 2in eyepiece?

I have a meade etx-90ec scope and i want to purchase a 56mm eyepiece but its 2in and i only have the 1.25 standard that it came with. how do i get the 2in to fit?

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The ETX90 may not have enough back focus for a 1.25 to 2 inch adapter. You will need 1.6 in extra focus. (Try putting a eyepiece barely in the holder and see if you can focus CAREFULLY!) a 56mm eyepiece will seriously vignette since the opening of the scope is only 1.25 inch so do not expect a wide field.
Link below is for an adapter
http://agenaastro.com/blue-fireball-1-25-2-eyepiece-adapter.html

Posted on Jan 02, 2013

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Posted on Jan 02, 2017

SOURCE: Meade ETX 80 telescope missing parts

You are missing a screw on cap for the rear port, and you need to buy several 1.25 inch eyepieces.

Scopestuff.com sells the rear port cap also you may be able to get one directly from Meade- http://www.meade.com/support/index.html

Several internet retailers sell 1.25 inch eyepieces.

Here is one:

http://www.agenaastro.com/

Posted on Feb 21, 2010

Testimonial: "Thanks Joe! As it turned out I was also missing the 90 degree eyepiece holder."

  • 4 Answers

SOURCE: Optical mirror detached - Meade ETX-90EC Telescope

Your best bet is to ship it back to Meade for repair. they may not look it but there are very close tolerances that have to be achieved and takes certain tools for alignment.

Posted on Jun 02, 2009

tbreeze47
  • 3083 Answers

SOURCE: Meade ETX-90EC the declination lock won't

Unfortunately, you will probably have to send the unit in for sevicing, to restore this function. This type of scope is a highly precision device, and parts can wear, causing a loss of certain functions. I wouldn't recommend trying to take the unit apart, unless you're a super mechanical person. Even if you did, you'd have to identify the worn or failing part, and that would be a challenge without the tools and replacement parts they have at their repair facilities. Some cities have "sky clubs" and some of the people are avid skywatchers, and might know something about this particular problem, and may be of help, but that might your best alterntive to having it serviced right away. Often times, a switch or part can get slightly compromised by dust, or lint, and require a minor cleaning.
Here's Meade's Support Site, in case you don't have it:
http://www.meade.com/support/auto.html
Good luck, and hope this helps.

Posted on Mar 28, 2011

SOURCE: Meade ETX-90EC . i cant

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

Posted on Sep 17, 2011

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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

1 Answer

Telescope doesn't seem to work


This issue will be extremely hard to diagnose over the net but I'll give it a try. This is from Meade. The link to the online manual is below: http://www.meade.com/manuals/etx90ec/index.html Unable to see an image through the eyepiece:
  • Confirm that the lens cover has been removed from the telescope.
  • Confirm that the flip-mirror control (16, Fig. 1) is in the "up" position if using the eyepiece holder (4, Fig. 1) so that light is directed to the eyepiece (1, Fig. 1). Confirm that the flip-mirror control is in the "down" position if using the #932 Erecting Prism or doing photography with the ETX-90EC (see Telescope Controls and PHOTOGRAPHY WITH THE ETX-90EC).
It sounds like you are correct about a mechanical issue with the knob that moves the mirror. If you need a quick fix try your local camera repair or watch repair shop as the are familiar with intricate parts. The camera shop would be preferable as they know optics. Otherwise you could ship it to me and I could repair it fro you depending on the availibility of parts if parts were needed. Check my picture for my site address and get contact info there for more information.

Jan 05, 2008 | Optics

1 Answer

My whole lense has snapped of the base of my meade 90 etx


Meade can repair these scopes but they will want you to return the scope--

Contact them here:
http://www.meade.com/support/index.html

Jan 20, 2011 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

When I look through the lense everything is just black


Take the scope outside during the day time. Put the eyepiece with the largest number written on it into the TOP diagonal. There is a "flip" switch on the back that changes between the rear photo port to the TOP eyepiece port.

Flip it one way or the other until you can see light through the TOP eyepiece. Practice focusing on a distant object during the day time.

Here is the manual:
http://www.meade.com/manuals/TelescopeManuals/ETXtelescopes/ETX-90%20w-autostar%20man.pdf

Dec 15, 2010 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

Etx90 geartrain broke


Only Meade has parts. Usually they want you to send the scope back to them for repairs. However you can contact their customer service department and ask if they will sell you just the part:

Here:

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

Jul 04, 2010 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

2 small lens fell out of my telescope how do I get them back in and where do they go ??


The Meade ETX90 does NOT have small lens! It has a large curved lens in the front. and a holder for the eyepiece in the back (top). There is also a camera port in the back, and a flip lever that sends the light either straight back to a camera, or UP to the eyepiece holder.

There is an INTERNAL secondary mirror mounted on the back of the front large lens. If this fell off INSIDE, you will need to remove the front lens to fix it. NOT an easy fix as the optical alignment can get messed up when you do this.

Here is the manual for an ETX90, you should read it completely.

http://www.meade.com/manuals/TelescopeManuals/ETXtelescopes/ETX-90_105_125EC_man.pdf

and for the hand controller:
http://www.meade.com/support/etxautofaq.html

Jun 18, 2010 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

Meade ETX 80 telescope missing parts


You are missing a screw on cap for the rear port, and you need to buy several 1.25 inch eyepieces.

Scopestuff.com sells the rear port cap also you may be able to get one directly from Meade- http://www.meade.com/support/index.html

Several internet retailers sell 1.25 inch eyepieces.

Here is one:

http://www.agenaastro.com/

Feb 21, 2010 | Meade ETX-80AT (240 x 80mm) Telescope

1 Answer

Mounting finderscope


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.

Feb 15, 2009 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

Optical mirror detached - Meade ETX-90EC Telescope


Your best bet is to ship it back to Meade for repair. they may not look it but there are very close tolerances that have to be achieved and takes certain tools for alignment.

Jan 26, 2009 | Meade ETX-90EC (325 x 90mm) Telescope

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