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18 Apr 2017

Views: 1811


$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...

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...

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...

22 Oct 2018

Updated: 22 Oct 2018

Views: 1479

UPDATED
$1.00

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...

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...

08 Sep 2017

Views: 1222


$400.00

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...

28 Oct 2017

Updated: 13 Dec 2020

Views: 1208

UPDATED
$20.00

For Sale Meade LX200 GPS/R/ACF/ PARTS


By: meademods Location: pasadena Md

****Meade LX200 GPS/R/ACF/LX600/LX850/PARTS****2- Ribbon cables for level sensor board $20.00 Ea.10- Sets of Meade Or...

11 Jan 2019

Updated: 11 Jan 2019

Views: 1190

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...

01 Nov 2017

Updated: 05 Nov 2017

Views: 1151

UPDATED
n/a

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...

28 Sep 2020

Updated: 30 Sep 2020

Views: 1136

UPDATED
$1.00

For Sale Mirror blanks and mirror


By: BanjoJim Location: Lowell, Michigan

12 1/2" x 2 1/4" pyrex mirror blank is available for the cost of shipping.

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...

06 May 2020

Views: 1064


$700.00

For Sale 18" F/5.75 Cervit Mirror


By: ioptics Location: Salt Lake City, Utah

18" Low Expansion Cervit Mirror 103.5" Focal Length Aerospace Surplus Don't know manufacturer or specifications Coati...

03 Jun 2017

Updated: 19 Feb 2019

Views: 1058

UPDATED
$175.00

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....

23 Mar 2018

Views: 1043


$1.00

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...

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...

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...

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....

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...

13 Aug 2018

Views: 1006


$800.00

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...

14 Jul 2017

Updated: 23 Jul 2017

Views: 997

UPDATED
$525.00

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...

22 Oct 2017

Updated: 30 Oct 2017

Views: 982

UPDATED
$150.00

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...

23 Feb 2019

Views: 974


$850.00

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...

19 Sep 2018

Views: 949


$20.00

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...

05 Sep 2020

Updated: 16 Nov 2020

Views: 930

UPDATED
$10.00

For Sale diy curved spiders, mirror cell, atm dreams


By: Ps191 Location: Grant County Oregon

Hi everyone:Cleaning out the supplies and projects to raise money for new telescope.1) Two curved stainless steel spi...

19 Mar 2017

Updated: 20 Mar 2017

Views: 918

UPDATED
$20.00

For Sale Parts for Equatorial Drive


By: bjmillet Location: Pasadena, TX

Two (2) USED Faulhaber AM1524-V-6-35-06 Precision Stepper Motor with Gearhead 485:1 Two (2) NEW GT2 40/16 Teeth Pitc...

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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