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We have a eduscience telescope (bought several years ago) Our grandson found it our attic and states that it is missing a diagonal mirror. Where can I find one.

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Measure the hole in the focuser-- diagonals come in 3 sizes:

.965, 1.25, and 2 inch sizes.

Your scope is probably a .965 contact Surplus Shed and see if they have one:
http://www.surplusshed.com/

or Telescope Warehouse:
http://shop.telescope-warehouse.com/

Posted on Nov 10, 2010

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My son picked up a Tasco 302048 telescope at a local thrift store. The "L" lens? is missing. Can you tell me where I can find one? Is that even the name of the lens? Thanks, Veronica &...


You mean the mirror diagonal like this one:
http://agenaastro.com/celestron-1-25-telescope-star-diagonal.html

These come in two basic sizes-- 1.25 inch and .965 inch-- measure the hole in the focuser and buy the correct size.

Try these two retailers:

http://shop.telescope-warehouse.com/category.sc;jsessionid=8B6C41D9E90AC5D7A4C570520975CB9E.qscstrfrnt05?categoryId=6

http://agenaastro.com/optical-accessories/diagonals-prisms.html?ca_opta_size_bucket=146



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

Aug 25, 2011 | Optics

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I have a Bushnell old school 78-9512 that is missing the diagonal mirror. Will I still be able to use the scope? and.. Is there any where I can get a piece by piece diagram of ALL the parts that come with...


Yes but the eyepiece will be in an uncomfortable position without the diagonal. You can buy these from many on-line retailers-- like this one--

http://www.telescope.com/control/accessories/telescope-diagonals

Mar 10, 2011 | Optics

1 Answer

Purchased telescience telescope, the diagonal mirror is missing. Where can one be found


Assuming this is the usual size (1.25 inch barrel), you can find these and other eyepieces and accessories on eBay and Amazon. You won't find the telescience brand name, but that doesn't matter.

You don't actually need this to use the telescope. The eyepieces will fit directly in the focussing mount.

Jan 26, 2011 | Optics

1 Answer

The mirror you look into has come off


This is the diagonal mirror-- you can buy another diagonal but you will NOT like the price. We receive many complaints on this small "toy" telescope. Read this:

http://www.texasastro.org/telescope.php

and here is a link showing diagonals:

http://agenaastro.com/optical-accessories/diagonals-prisms.html?SID=6bnpvdfu2v3g1fgvq170e0c8m0

Measure the hole in the telescope and buy the correct size diagonal.

Jan 11, 2011 | Vivitar (1607225) Telescope

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I think i am missing parts. what connects the diagonal mirror to the focuser drawtube?


The diagonal simply slips inside the hole at the rear of the telescope. A small thumb screw secures it. The eyepiece then goes into the diagonal.

Sep 06, 2010 | Meade TeleStar 60AZ-A Telescope

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How do you install the lens on the 18-1561 telescope?


This is a very simple refractor style telescope. Put the L shaped device called a diagonal into the telescope.
Then put the eyepiece with the largest number written on it into the diagonal.

This is a diagonal--

http://www.amazon.com/Skywatcher-Diagonal-Mirror-Refractor-Telescopes/dp/B001W4KQIY

Aug 15, 2010 | Bushnell Deep Space 18-1560 (150 x 53mm)...

1 Answer

My Meade Polaris 60EQ-D Telescope is missing the diagonal mirror.


Here is Meade's manual web page. Find your telescope on the page:
http://www.meade.com/manuals/index.html

Aug 09, 2009 | Meade Polaris 60EQ-D (36 x 60mm) Telescope

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Jason 200X model 404


Hello, you could add any telescope accessory or eyepiece with this Jason mercury 200x model 404. It has an eyepiece size of .965. I would recommend buying a .965 to 1.25 adapter which can be found on ebay. This would provide you a new mirror and allow more options for eyepieces which will be better quality.

Jun 13, 2009 | Binoculars.com Jason Folding Compact...

1 Answer

Want to see images right side up


You do not need an erecting prism to view objects at night. These are used if you wish to view terrestrial objects since it turns them right side up.

If you have a reflecting telescope (it uses mirrors) it's normal to not use an erecting prism or as they are also known as star diagonals. Objects will appear inverted and that's normal. A refracting telescope (no mirrors, just lenses) will also invert the image but it is quite often used with a star diagonal to make it easier to view. There are many other types of telescopes that use a combination of mirrors and lenses.

I hope this helps.

-jodair

Mar 29, 2009 | Optics

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