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18 Nov 2018

Views: 1463


$50,000.00

For Sale 75" Low Expansion Telescope Blank Corning Glassworks


By: gatorengineer Location: Pittsburgh PA Area

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...

18 Apr 2017

Views: 1489


$15,000.00

For Sale Large Lightweight Mirrors


By: Astronorm Location: CANADA

If you are looking for a large Lightweight Mirror, I developed over the last 5 years with the help of Laval Universit...

22 Jan 2020

Views: 598


$8,000.00

For Sale Vacuum Deposition Mirror Coating System


By: DaystarJen Location: Warrensburg, MO

Complete NCR 3117 Vacuum Deposition Coating Deposition System for mirrors up to 18".This system is set up to coat mir...

27 Apr 2019

Updated: 27 Jul 2019

Views: 546

UPDATED
$6,750.00

For Sale Pegasus Mirror-4Sale.-& Astro Accessories.


By: ARA AVEDISSIAN Location: Northern Arizona

A 24inch mirror done by master optician none other than John Hall of Pegasus Optics.24" f 4.5, 108 inch focal length....

25 Apr 2018

Updated: 25 Apr 2018

Views: 831

UPDATED
$5,000.00

For Sale Glass blanks for sale


By: AstroDxtr54 Location: Arizona

1- 22 1/2" Pyrex blank, 3 1/2" thick, center hole, with finished 21 1/2" Maksutov Corrector Plate (the plates the har...

05 Jun 2019

Views: 797


$4,500.00

For Sale 60" Polishing Machine


By: ioptics Location: Salt Lake City, UT

60" Capacity Spindle Polisher Heavy Duty Came out of optical lab, fully functional 220Volt Single Phase DC Motors Of...

24 May 2017

Views: 843


$4,000.00

For Sale 24" f/4.1 Mirror


By: Steve Dodds Location: Salt Lake city

For sale a 24" f/4.1 Focal Length 99.25" 2" thick fine annealed Pyrex. Enhanced Aluminum (96%) coating. Tested by dou...

16 Oct 2017

Views: 866


$3,200.00

For Sale 22.5" Pyrex Telescope Primary Mirror & Matching 4" Secondary


By: ruachsheavens Location: 60050

This is the end of a dream. Recent diagnosis of issues with 3 discs in my back necessitate this sale. This mirror and...

18 Dec 2019

Views: 338


$3,200.00

For Sale GSO 16inch F8 RC mirror set


By: xuranus Location: South Korea

This is the same mirror of the GSO 16" RC OTA. I have 2 set. (primary mirror + secondary mirror) Never used. Each on...

03 Dec 2017

Views: 1066


$3,200.00

For Sale ZERODUR optical mirror


By: JeanpierreG Location: Belgium

For sale; Two 16,5 inch F1 ZERODUR Mirrors Thickness 4,5 inchorigine Waferstepper Philips factory Eindhoven (Netherl...

26 Mar 2020

Views: 287


$2,950.00

For Sale Objective C 110/750 Carl Zeiss Jena


By: lusen Location: Germany Deggendorf

CARL ZEISS JENA Objective Lens C 110/750 COMETFINDER-Objectiv Nr. 62141 it is the last one Cometfinder C 110/750 -...

19 Feb 2019

Updated: 20 Feb 2019

Views: 432

UPDATED
$2,500.00

For Sale 10" Stainless steel vacuum system


By: Stan_kohut Location: North east Ohio

I have a 10" Stainless double wall "for cooling I imagine" vacuum chamber, with a valve to close off the Diffusion Pu...

11 Jan 2019

Updated: 11 Jan 2019

Views: 930

UPDATED
$2,000.00

For Sale 16" Parabolic mirrors - Parks "lightweight"


By: Cary Location: Sacramento, CA

As part of our recent acquisitions, we acquired the remnants of the Parks Optical Inventory.We have a number of the 1...

08 Jan 2018

Updated: 10 Sep 2019

Views: 1324

UPDATED
$2,000.00

For Sale 20inch RC ATM project (Lower Price)


By: Gert Location: Bay Area CA

Dear CN enthusiasts, This is a chance for the dedicated ATM to complete a project that I have started a long time bac...

28 Mar 2019

Views: 380


$2,000.00

For Sale 100ED triplet binocular optics


By: skyward_eyes Location: AZ

I have a set of optics for a 100mm f/5.5 binocular project. I had planed to put this together and frankly just have t...

05 Apr 2020

Views: 171


$1,950.00

For Sale Zambuto 12.5" F4.6 Mirror


By: sqrlman Location: Central Ohio

Zambuto 12.5" F4.6 Pyrex mirror. 1.25" thick. I purchased this new from Carl Zambuto. It was a custom order made to f...

06 Jan 2020

Views: 341


$1,875.00

For Sale Fused Silica Massive Double Sided Flat


By: Peter Nance Location: 92870

Fused Silica Massive Double Sided Optical Flat This is the master flat which you can use as a standard for flatness....

21 Sep 2018

Views: 624


$1,600.00

For Sale 24" Pyrex Optical Flat


By: ioptics Location: Salt Lake City

24" x 2" Thickness Pyrex Flat Accuracy Unknown May be used for Mirror Blank Good Condition, very minor chips or din...

23 Jun 2018

Views: 659


$1,500.00

For Sale 10.2" f/15 Off Axis Mirror


By: Steve Dodds Location: Salt Lake City

10.2" diameter off axis parabola. This is the heart of the ultimate planetary telescope. 10" f/15 unobstructed folded...

14 Jul 2017

Updated: 23 Jul 2017

Views: 664

UPDATED
$1,400.00

For Sale Classic Parks 12.5" f3.5 45th Anniversary Mirror


By: mcwolfson Location: Ontario

This is a full thickness mirror, recently recoated by excellent optician Normand Fullum. His comment, "Optics are ver...

17 Aug 2019

Views: 489


$1,375.00

For Sale Parks f3.5 12.5" Primary 45th Anniversary


By: mcwolfson Location: Ontario - Ottawa and Toronto

This is a Parks 45th Anniversary primary mirror in excellent condition. Recently recoated by Normand Fullum, master m...

24 Sep 2019

Updated: 01 Oct 2019

Views: 583

UPDATED
$1,350.00

For Sale 2 new mirrors in stock for sale


By: John Lightholder Location: California

I've two new mirrors in stock just back from coating for immediate delivery. Send an email through CN here or to my...

06 May 2019

Views: 432


$1,200.00

For Sale 10.2" f/15 off axis unobstructed Mirror


By: Steve Dodds Location: Salt Lake City

The ultimate planetary telescope. a 10.2" off axis parabola. This is a segment from a 30" f/5 parent mirror. This...

20 Nov 2018

Views: 447


$1,200.00

For Sale 10.2" f/15 Off axis telescope mirror


By: Steve Dodds Location: Salt Lake City

For sale the ultimate planetary telescope mirror. A 10.2” f/15 unobstructed off axis telescope mirror. Off axis dista...

03 Mar 2020

Updated: 03 Mar 2020

Views: 370

UPDATED
$1,100.00

For Sale Zambuto 10" F/8 Mirror- Unused


By: BStratton Location: Ontario, Canada

Hello, I am selling an unused Zambuto Optical Company 10" F/8 (79.75") mirror. The thickness is around 1 to 1.25" thi...

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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