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05 Jun 2017

Views: 431

Sold!
$45.00

For Sale 6" F4 Parabolic Mirror Pyrex


By: starbird Location: 95409

This is a 6' F4 Parabolic mirror. It was in a nice fiberglass tube ota with aluminum end rings. The manufacturers la...

03 Jun 2017

Updated: 08 Jul 2017

Views: 368

UPDATED
$20.00

For Sale 6 Inch Pyrex Mirror Blank - Chipped edge


By: 4dark sky Location: Richmond VA

This is the last mirror blank that I will have for sale. This is a 6 inch full thickness blank that somehow received...

03 Jun 2017

Updated: 08 Jul 2017

Views: 446

UPDATED
$70.00

For Sale 6 Inch Pryex Mirror Blanks


By: 4dark sky Location: Richmond VA

There are two excellent condition new old school Pyrex mirror blanks. I believe them to be annealed but cannot be sur...

03 Jun 2017

Updated: 08 Jul 2017

Views: 293

UPDATED
$55.00

For Sale 4 Inch Pyrex Mirror Blanks


By: 4dark sky Location: Richmond VA

I have three William Bell 4 Inch fine annealed Pyrex blanks, full thickness. They were bought in the early 1990's and...

03 Jun 2017

Updated: 19 Feb 2019

Views: 912

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....

02 Jun 2017

Views: 280

Sold!
$23.00

For Sale Edmund Scientific 6" Aluminum Mirror Cell


By: starbird Location: 95409

This is a vintage edmund scientific 6" aluminum mirror cell. Adjustable for collimation with spring loaded screws....

31 May 2017

Views: 509

Sold!
$95.00

For Sale Tydex glass


By: steveareno Location: Brandon, Mississippi

16" diameter, 3 1/8" thick about 45 lbs I have no idea what to do with it maybe you do - The surfaces seem flat(plan...

31 May 2017

Views: 212


n/a

Wanted Howie Glatter Sling


By: azfar72 Location: Oakville / Toronto

Hi - I am looking for a howie glatter sling to install on my 15 inch UC . If you have the one for the 18 inch UC, tha...

31 May 2017

Views: 531

Sold!
$375.00

For Sale Original Vintage Couldter 13.1" F4.5 Parabolic Pyrex Mirror


By: starbird Location: 95409

This is an original coulter vinatage 13.1' F4.5 parabolic mirror. Unused in storage for many years. From the original...

30 May 2017

Updated: 26 Jan 2018

Views: 1063

Sold!
$150.00

For Sale 18" Pyrex Deep Spherical Mirror (REDUCED)


By: ccaissie Location: 04353

Now on Sale!!!! Acquired this from Don Dilworth years ago. Was originally crated and shipped to University of Alabama...

27 May 2017

Views: 601

Sold!
$195.00

For Sale 100MM F540 ED Objective Lens Celestron Regal M2 100ED Scope


By: Van Huynh Location: Santa Maria, CA

Glass and coatings are in excellent condition with no scratches or blemishes. Some dust specks/debris here and there,...

27 May 2017

Views: 324

Sold!
$100.00

For Sale RV-6 Optics,cell,spider and secondary


By: rfic1 Location: CT

6" RV-6 mirror with new coating from OWL. Over 1/5 wave PTV per testing so it will put up a diffraction limited imag...

25 May 2017

Views: 1686

Sold!
$2,500.00

For Sale It’s just not a big telescope mirror, it’s a piece of history….


By: Rexcat Location: New Berlin, Wisconsin

It’s just not a big telescope mirror, it’s a piece of history…. The Milwaukee Astronomical Society purchased a blank...

25 May 2017

Views: 280

Sold!
$145.00

For Sale Nice Orion 8" F/6 Mirror set - mirror, cell, diagonal, 4 vane spider


By: ruachsheavens Location: 60033

here's a nice set of all you would need for the optics on your own homebuilt 8" DOB!. Coatings on both mirrors are in...

25 May 2017

Views: 368


$165.00

For Sale Lumicon 2" Easy Guider for Newt/Refract w/3x relay


By: SomeDoSomeDont Location: Michigan 48096

2" Lumicon Easy Guider for Newtonian / Refractor Telescopes - 2.00" #NEG20 Accepts 1.25 eyepiece Lumicon 3x Relay dia...

24 May 2017

Views: 646


$40.00

For Sale Mirror 6" F/8 finished but no coating


By: curmugin Location: 86326

The title just about says it all. The edge has one very small chip that should come off when beveling the edge. This...

24 May 2017

Views: 691

Sold!
$1,300.00

For Sale 16" F4.5 OWL refigured mirror


By: Joe G Location: Los Angeles

I have a 16" F4.5 mirror for sale. This was a Meade Lightbridge GSO mirror refigured by Optic Wave Labs to a 0.96 St...

24 May 2017

Views: 826


$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...

23 May 2017

Views: 215

Found!
$80.00

Wanted 6" mirror kit


By: Augustus Location: Stamford CT

I'm looking for a complete mirror kit to build a 6" including all abrasives, polish, and pitch, as well as a grinding...

23 May 2017

Views: 789

Sold!
$35.00

For Sale 8" Mirror blanks and grinding kit


By: donsurles Location: Delaware

For Sale... 1) 2 ea Wilman Bell pyrex 8" pyrex mirror blanks...full thickness...approx 1.375"...$75 each...note...th...

23 May 2017

Views: 375

Sold!
$150.00

For Sale XYZ Stage


By: Steve Dodds Location: Salt Lake City

For sale a precision XYZ Stage. Micrometer adjust .5" total travel. If you are building a bath interferometer you nee...

23 May 2017

Views: 573

Sold!
$1,800.00

For Sale 16" f/3.7 Mirror


By: Steve Dodds Location: Sal;t Lake City

I have a 16" f/3.7 1.5" Fine annealed Pyrex. Focal Length 59.0" Mirror New Coating. Tested by Double pass autocollima...

21 May 2017

Views: 357

Sold!
$89.00

For Sale Celestron Nexstar 6SE Parts *NO CORRECTOR PLATE*


By: Van Huynh Location: Santa Maria, CA

*** MISSING CORRECTOR PLATE ****** FOR PARTS OR REPAIR ***Primary and secondary mirrors are in great condition. No sc...

20 May 2017

Views: 257

Sold!
$23.00

For Sale Edmund Scientific 4.25" Adjustable Mirror Cell


By: starbird Location: 95409

This is a vintage edmund scientific 4.25" adjustable aluminum mirror cell. Mirror is held in by clips and adjusted b...

20 May 2017

Views: 307

Sold!
$27.00

For Sale Edmund Scientific 4.25" Reflector Mirror Pyrex


By: starbird Location: 95409

This is a vintage edmund scientific 4.25" F10.5 newtonian mirror. Full thickness pyrex and great optics. Beautiful...

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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