Question about Meade ETX-70 (240 x 70mm) Telescope

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If a telescope fell over while in the tripod, the housing cracked at the lens placement...is it worth fixing?

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Loose nut inside telescope


Yuck! This is probably the primary mirror shaft nut. If you don't do anything it will eventually come off and smack the primary! This is not for the faint of heart. You must remove the corrector plate, reach down and CAREFULLY tighten the nut back up. The corrector plate is oriented to the primary. The manufacturer sorts corrector plates to mirrors. Before you remove the corrector, use masking tape to mark the exact placement of the corrector.(put the tape on the plate and the housing, then slice the tape at the edge). Might as well flock the inside of the scope while you have it open. It will increase contrast!

Dec 25, 2011 | Celestron NexStar 5 Schmidt Cassegrain...

1 Answer

Manual for 60X/120X Vivitar Fast Lens Refractor Telescope & Tripod


http://www.vivitar.com/products/19/telescopes/78/tel-50600
There is only a warranty pdf document. No available manuals online.

Nov 14, 2011 | Vivitar 60x120 Refractor Telescope ...

1 Answer

Hello, i was wandering if i could adjust my NG70FS telescope with a computerised base. the existing tripod is a mess. its loose and i cant observe many things. thank you very much. Giorgos Kalogirou


No, that telescope is not worth very much and you should not spend any money upgrading it. A good tripod would cost over $100. You really cannot buy a use-able telescope for much less than $200.

Here is the one I recommend to beginners, watch this video:
http://www.youtube.com/watch?v=FEs_MMcJ7JA

Jan 11, 2011 | National Geographic NG70CA (225 x 70mm)...

1 Answer

I have reflector telescope 672 power and im missing some pieces. I need to get one tripod leg, all the screws to the telescope and the finderscope. I needed to find out how to go about getting these...


It's not worth hunting down that many parts for that small telescope. You cannot just buy a tripod leg-- you must buy the entire tripod. Eyepieces cost at least $30 each-- and a finderscope at least another $30-$40.

Locate another complete telescope. It's not economical to repair that low cost small scope. Toys R Us who sell that brand do not furnish replacement parts.

Dec 12, 2010 | Edu-Science (10166) Telescope

1 Answer

I am looking for a telescope and I saw the JASON MERCURY 420 telescope on craigs list. I have never owned a telescope, I am a ameture photographer and I watch every science show on tv. I am not a 8 year...


Do NOT buy that telescope.

Second, to take long exposure (several minute) astro-photos you must use a GEM mount like one of these:

http://www.telescope.com/control/accessories/mounts-and-tripods/orion-sirius-eq-g-goto-telescope-mount

http://www.telescope.com/control/accessories/mounts-and-tripods/orion-atlas-eq-g-computerized-goto-telescope-mount

Then you need to decide on the scope to use. Something like this would work:

http://www.telescope.com/control/product/~product_id=07338

or this:

http://www.astronomics.com/main/product.asp/catalog_name/astronomics/category_name/U5QNWB3RKWWL8N3EL99F9DX9A0/product_id/AT6RC

Additionally you will need some accessories to mount the camera onto the back of the telescope, and you will need to learn how to polar align the mount so it will accurately track the sky.

Read these articles:
http://www.astropix.com/HTML/I_ASTROP/TOC_AP.HTM

Oct 08, 2010 | Optics

1 Answer

Plastic part at end with "hook" on the leg of tripod is broken and despite trying at least three different types of super glues and epoxy I cannot repair it.


The tripod cannot be repaired unless you can find something at a hardware store. Toys R Us (they sell this scope) do not have any parts. A replacement tripod will cost more than the scope is worth. We receive more complaints about this telescope than just about any other brand.

Next time buy something like this:
http://www.telescope.com/control/product/~category_id=classicdobs/~pcategory=dobsonians/~product_id=09804

Jul 02, 2010 | Edu-Science (10166) 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

Mirror fell out and broke I've got the 25 mm eye piece and lost the others


Not worth fixing-- next time you buy a telescope look at a small Dobsonian like this one--

http://www.telescope.com/control/product/~category_id=dobsonians/~pcategory=telescopes/~product_id=09804

or the 6 inch version of the same scope--

Feb 19, 2009 | Meade Polaris 60EQ-D (36 x 60mm) Telescope

1 Answer

Konus MotorMax-90 Telescope


call or email konus

Sep 29, 2008 | Konus Optics

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