ATM Parts and Such
15 Jun 2018
Updated: 20 Feb 2019
Views: 1832
$999.00
For Sale 17.5 inch f/4.5
Or some lucky atm will get this in the inevitable estate sale.An 17.5 inch f/4.5 1.5 inch thick mirror weighing 35 lb...
25 May 2017
Views: 1711
$2,500.00
For Sale It’s just not a big telescope mirror, it’s a piece of history….
It’s just not a big telescope mirror, it’s a piece of history…. The Milwaukee Astronomical Society purchased a blank...
18 Apr 2017
Views: 1488
$15,000.00
For Sale Large Lightweight Mirrors
If you are looking for a large Lightweight Mirror, I developed over the last 5 years with the help of Laval Universit...
18 Nov 2018
Views: 1460
$50,000.00
For Sale 75" Low Expansion Telescope Blank Corning Glassworks
Not a typo. Over 2 yards of fun for someone. Kev and I have to settle for 71" the hard way. This one is not going...
28 Aug 2019
Updated: 28 Aug 2019
Views: 1377
$50.00
For Sale Large Tag Sale ! - Great astro items needing new home.
Hi there....Well, it is time to sell some of my unused equipment. So it's astro tag sale time. Have a look. Priced re...
08 Jan 2018
Updated: 10 Sep 2019
Views: 1322
$2,000.00
For Sale 20inch RC ATM project (Lower Price)
Dear CN enthusiasts, This is a chance for the dedicated ATM to complete a project that I have started a long time bac...
22 Oct 2018
Updated: 22 Oct 2018
Views: 1305
$1.00
For Sale garage sale mostly refractors.
Too many projects, I'm leaning toward more wood-working with my lathe. 1. Minty 80mm f/5 gloss black OTA beautiful Mg...
26 Dec 2017
Views: 1161
$800.00
For Sale 15" f/4.5 Telescope Mirror
For sale a 15" f/4.5 Focal length 67.625" 2" thick precision annealed Pyrex 27 lbs. Protected aluminum coating jus...
21 Sep 2017
Views: 1124
$3,950.00
For Sale 1 Meter F/3.3 Pyrex Mirror Blank
Actual Dimensions 38.8" x 1.75" Thickness Corning Pyrex Glass has been slumped and Fine Annealed to Menisicus shape...
09 Mar 2018
Updated: 15 Mar 2019
Views: 1091
$675.00
For Sale Classic Cave 12.5" F8 Newtonian Mirror - Re-figured by Mike Lockwood
Vintage classic Cave 12.5" F/8 Newtonian Mirror Re-figured by Mike Lockwood.Full-thickness 2.25" annealed Pyrex mirr...
30 May 2017
Updated: 26 Jan 2018
Views: 1081
$150.00
For Sale 18" Pyrex Deep Spherical Mirror (REDUCED)
Now on Sale!!!! Acquired this from Don Dilworth years ago. Was originally crated and shipped to University of Alabama...
07 Feb 2018
Updated: 20 May 2018
Views: 1071
$800.00
For Sale Full thickness 16"F6 mirror and diagonal
UPDATE 052018. Tested mirror with Foucault tester and Couder Mask see pictures, the surface is quite smooth and the e...
08 Sep 2017
Views: 1066
$400.00
For Sale 12.5 2" Mirror
This is a 2" thick 12.5 mirror with a fl of 71.5" It is of unknown pedigree, and I never got it into a scope I'm offe...
03 Dec 2017
Views: 1066
$3,200.00
For Sale ZERODUR optical mirror
For sale; Two 16,5 inch F1 ZERODUR Mirrors Thickness 4,5 inchorigine Waferstepper Philips factory Eindhoven (Netherl...
13 Mar 2017
Views: 1061
$1,500.00
For Sale Never Used 17.5" Coulter Mirror and 4.25" Secondary Mirror Set
Never Used 17.5" Coulter Mirror and 4.25" Secondary Mirror set originally purchased in 1981 and was never taken out o...
08 Jun 2017
Updated: 12 Dec 2017
Views: 1053
$225.00
For Sale Parks 10" f/6 Mirror
Full thickness Pyrex mirror with original good coating. Gave excellent views before I graduated to f/8's, and 16"'s.A...
19 Mar 2019
Views: 1049
$550.00
For Sale 17" blanks, 16" cdk parts, 12.5" F4 mirror, carbon fiber tube
We're cleaning out the parts bin...... you can pick up the parts or have them shipped..... 1) finished carbon fiber...
21 Jul 2017
Views: 1035
$750.00
For Sale 14.5" f/4 Telescope Mirror
For sale a 14.5" f/4 Focal Length 58.0" 1.5" Thick precision annealed Pyrex. Protected aluminum coating. Has a 1.5" c...
27 Jul 2018
Views: 1005
$2,600.00
For Sale 1 meter F/3 Pyrex Primary Mirror Blank
39 1/4" Diameter x 1 3/4" Thickness uniform throughout (meniscus convex back) Blank was slumped and fine annealed pri...
23 Dec 2018
Updated: 02 Feb 2020
Views: 1002
$500.00
For Sale 16 inch f/4.5 mirror in 9pt cell
I have this 16" f/4.5 mirror from the 1980s which was part of a local club scope. It's about 1 7/8 thick. I bought i...
28 Apr 2017
Updated: 01 Jun 2017
Views: 993
$85.00
For Sale Pyrex 7740 Mirror Blanks - SOLD
I'm selling two Pyrex 7740 8-inch mirror blanks that I purchased many years ago. The first is a Corning molded blank...
09 Jun 2017
Updated: 10 Jun 2017
Views: 986
$289.00
For Sale 10 inch f4 Cave optics set. Possibly entire OTA and mount.
**Mount has been sold, OTA and optics available** Mount was Cave Astrola for sure. Primary mirror the focal length is...
01 Nov 2017
Updated: 05 Nov 2017
Views: 978
n/a
For Sale REDUCED 16"F6 pyrex mirror and diagonal read
Last reduction $925 shipped CONUSA, or $875 picked up.REDUCED: High quality This is pyrex, 16"F6 mirror, with 2.5" di...
18 Jun 2018
Updated: 22 Jun 2018
Views: 978
$900.00
For Sale 18" Compact Precision Telescope Frame
For sale here is a frame from Compact Precision Telescope. The frame is machined from aluminium alloy, it includes:3....
07 Jul 2018
Views: 974
$2,200.00
For Sale Large Telescope Mirror Polishing Machine
Custom built Litton Optical Polishing Machine Engineered for high tolerance work. Draper style 2 Variable drive DC mo...
CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.
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