Jump to content

  •  

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.


For Sale Sort by                Order  
Description
Info
Price

18 Nov 2018

Views: 1768


$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: 1812


$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...

13 Oct 2020

Views: 455


$11,111.11

For Sale Tube and carrier for 8" Newtonian


By: MikeBY Location: Huntington Beach, CA

Greetings, For sale is a handcrafted telescope tube to make an 8" long tube Newtonian. The tube is made of luan type...

22 Jan 2020

Views: 815


$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...

06 Jun 2020

Updated: 20 Nov 2020

Views: 1023

UPDATED
$5,500.00

For Sale Premium 23 inch diameter f/4.74 primary mirror


By: Jedi Dan Location: Illinois

An exquisitely figured ultra low expansion full thickness radially ribbed primary mirror at a phenomenally low price....

25 Apr 2018

Updated: 25 Apr 2018

Views: 1097

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...

29 Oct 2020

Updated: 12 Nov 2020

Views: 378

UPDATED
$5,000.00

For Sale Complete 20" f/5 parts, brand new everything!


By: Edobson20 Location: Datil, NM

Torus OMI 20" f/5 mirror new in box. 3.5" Antares 1/30th wave new. Brand new Astrosystems spider and matching seconda...

05 Jun 2019

Views: 1032


$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: 1036


$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...

01 Jan 2021

Views: 402


$3,500.00

For Sale Exceptional 20" f4.2 Primary 1/16th Wave


By: mcwolfson Location: Ottawa, Canada

Mirror has been refigured and recoated by Normand Fullum. Quality of the optics, Strehl = .991 and weighs 37 pounds,...

16 Oct 2017

Views: 1020


$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: 550


$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...

06 Sep 2020

Views: 682


$3,200.00

For Sale 20-inch Maksutov corrector lens


By: ThomasMM Location: Danville, CA 94526

For Sale 20-inch Maksutov corrector lens. This has been on an going project for some 20-years. Time is up. Requires a...

03 Dec 2017

Views: 1267


$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...

12 Nov 2020

Views: 313


$3,000.00

For Sale Torus OMI 20" f/5 primary new in box.


By: Edobson20 Location: Datil, NM

Never used still in box Torus primary f/5 Perfect. Have another add with all the rest of the scope plus this mirror....

Yesterday, 06:45 PM

Views: 338


$2,999.00

For Sale 36" Pyrex Cellular Mirror Blank


By: Shane LaPierre Location: Connecticut

Are you ready to make your dream telescope? For Sale/Trade is a 36" Pyrex Cellular Mirror Blank I have an amazing...

26 Mar 2020

Views: 605


$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 -...

25 Aug 2020

Views: 504


$2,500.00

For Sale 3 Kilns For Saale - Up To 40 - Electronic Controller


By: wrecker_0 Location: La Grange, Texas

3 separate kilns for sale. Has electronic controller! 1 is 40 inches in diameter. Can be used to cast or slump or ann...

19 Feb 2019

Updated: 20 Feb 2019

Views: 555

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: 1195

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: 1539

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...

11 Oct 2020

Views: 294


$2,000.00

For Sale Carbon Fiber Tube 38.75" x 78"


By: Fabry Location: Tucson, Arizona

Here is a project I’ll never complete, I have a carbon fiber tube 38.75" o.d. x 78" long. It is laid up carbon fiber...

28 Mar 2019

Views: 521


$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: 715


$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: 526


$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....

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.


Recent Topics


Powered by Classifieds


Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics