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View Full Version : Large lens for telescope needed will pay big $$$$$ for 8 to 12 inch mirrored lens


beta chem
09-06-2000, 11:45 PM
Is there any one with the facility to construct a lens that is mirrored on one side and concave on the other for a reflecting telescope? I will have two to three hundred dollars to spend on this item if there is one available.Not sure what the power would be but I dont think it would matter too much.This and maybe a new pair of spectables also.

Thanks,
beta chem

Matthew
09-07-2000, 10:48 AM
Hello!

The place to find one is www.Astromart.com (http://www.Astromart.com)

A great Astro connection.

Dr. Haim Lotem
09-08-2000, 09:32 AM
A usefull source for the mirrors is:

Edmund Scientific Co.,Barribgton, NJ

609-547-3488

They have a web site too.

Shwing
09-11-2000, 10:52 PM
Hiya from the moderator!

Great question, and better answers than I could give.

My father-in-law is a glazier, and into astronomy, and wants to build his own telescope. With his background, and mine in optics, you would think it would be easy... wrong.

We ended up getting him a ?15"? telescope for his birthday to play with in the meantime...$500 is what we paid, but don't quote me on the size of the lens, and I think it was a reflecting 'scope anyway...

I recall coming across some great websites on how to build your own telescope, just check any search engine, as well as Meade.

Shwing;-}

beta chem
09-13-2000, 01:31 PM
Hi Schwing,

I have looked at several web sites. I have found some good deals but they are scratched reflecter lenses. They are shaped
like the picture in the below gif.
http://www.angelfire.com/scifi/HIFI4/t.gif
beta chem

[This message has been edited by beta chem (edited 09-13-2000).]

[This message has been edited by beta chem (edited 09-25-2000).]

JRS
09-14-2000, 04:42 AM
Look at Edmund Scientific
"www.edmundscientific.com"

they have spherical concave mirrors - up to 50mm diameter as far as could tell.
They also will be at some (other) Vision West show in October (3~5) in San Jose, CA if you're interested.

PS, almost forgot. Go to their Industrial optics page, and search (top left corner) for mirrors. Quite the list.

[This message has been edited by JRS (edited 09-13-2000).]

Matthew
09-14-2000, 10:43 AM
Did you go to the Asteromart page? There are 38 sources on the startup page that sell new equipment. New - no scratches. Plus there is a free classified section you can look at http://www98.pair.com/rfields/cgi-bin/astronomy/classifieds.cgi That has stuff all the time. this is your source if you are really looking.

beta chem
09-16-2000, 10:05 PM
Thanks for all the sources. I should be able to find what I am looking for.

beta chem