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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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18 Apr 2017

Views: 1548


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...

18 Nov 2018

Views: 1496


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...

28 Aug 2019

Updated: 28 Aug 2019

Views: 1427


For Sale Large Tag Sale ! - Great astro items needing new home.

By: ccdguy Location: Connecticut

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: 1355


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...

22 Oct 2018

Updated: 22 Oct 2018

Views: 1322


For Sale garage sale mostly refractors.

By: montag Location: Dubuque, Iowa

Too many projects, I'm leaning toward more wood-working with my lathe. 1. Minty 80mm f/5 gloss black OTA beautiful Mg...

07 Feb 2018

Updated: 20 May 2018

Views: 1092


For Sale Full thickness 16"F6 mirror and diagonal

By: bob midiri Location: se pa 19320

UPDATE 052018. Tested mirror with Foucault tester and Couder Mask see pictures, the surface is quite smooth and the e...

03 Dec 2017

Views: 1091


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...

08 Sep 2017

Views: 1083


For Sale 12.5 2" Mirror

By: Deewaltguy Location: Maryland

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...

23 Dec 2018

Updated: 02 Feb 2020

Views: 1041


For Sale 16 inch f/4.5 mirror in 9pt cell

By: carolinaskies Location: Greenville SC

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: 1018


For Sale Pyrex 7740 Mirror Blanks - SOLD

By: johnlynch Location: Leesburg, Virginia

I'm selling two Pyrex 7740 8-inch mirror blanks that I purchased many years ago. The first is a Corning molded blank...

01 Nov 2017

Updated: 05 Nov 2017

Views: 990


For Sale REDUCED 16"F6 pyrex mirror and diagonal read

By: bob midiri Location: se

Last reduction $925 shipped CONUSA, or $875 picked up.REDUCED: High quality This is pyrex, 16"F6 mirror, with 2.5" di...

03 Jun 2017

Updated: 19 Feb 2019

Views: 952


For Sale 12.5 Inch Pyrex - William Bell Lowered price

By: 4dark sky Location: Richmond VA

For those of you that made mirrors long ago the fine annealed Pyrex from William Bell was some of the best there was....

11 Jan 2019

Updated: 11 Jan 2019

Views: 952


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...

13 Aug 2018

Views: 920


For Sale Large classic telescope mount assembly

By: bob hammond Location: East Hartland, CT

This is a homemade mount that my dad made back in 1960 to control his 6” f10 refractor. It was recently replaced with...

23 Mar 2018

Views: 906


For Sale Refiguring Services

By: Steve Dodds Location: Salt Lake City

Refiguring for mirrors from 10” TO 25” Utilizing a full aperture (32” certified autocollimation flat) All services...

14 Jul 2017

Updated: 23 Jul 2017

Views: 902


For Sale Dob Mirror 12.5" f4.7 - Updated

By: mcwolfson Location: Ontario

0.98 Strehl! This a Chinese made mirror. The coating is in decent condition (not perfect, but completely ready to use...

25 Feb 2018

Updated: 03 Mar 2018

Views: 900


For Sale Optical Parts

By: MarcoItaly Location: Italy

Various optical parts for ATM: - Concave spherical mirror, D70mm, F900mm. Perfect conditions. 20€ - Convex spherical...

16 Oct 2017

Views: 882


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...

28 Oct 2017

Updated: 24 Aug 2019

Views: 882


For Sale Meade LX200 GPS/R/ACF/LX90 PARTS

By: meademods Location: pasadena Md

****Meade LX200 GPS/R/ACF/LX600/LX850/LX90 PARTS****2 New LX200 / LX600/ LX850 RA Boards $65.00 Ea.2 New LX200 / LX60...

19 Sep 2018

Views: 875


For Sale Meade 70mm F600 High quality Objective Lens in Cell

By: scopehed Location: Meadview, AZ

Meade 70mm Objective Lens in Cell F=600 Multi Coated Excellent Condition This lens will make an excellent scope with...

22 Oct 2017

Updated: 30 Oct 2017

Views: 873


For Sale Vintage A. Jaegers 5-inch f/5 cemented doublet SOLD

By: johnlynch Location: Leesburg, Virginia

I am selling a vintage A. Jaegers 5-inch f/5 cemented doublet that is in very good to excellent condition. The lens i...

24 May 2017

Views: 867


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...

25 Apr 2018

Updated: 25 Apr 2018

Views: 864


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...

23 Feb 2019

Views: 845


For Sale Huge Sale On Large Section of Stocked Mirrors

By: hubble-optics Location: Hong Kong

Huge sale, up to 50%, on a large selection of stocked mirrors. The stock is limited; act now!All these stocked mirror...

05 Jun 2019

Views: 828


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...

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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