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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 Jun 2018

Views: 263


Wanted wanted 10" mirror set

By: paul Location: Pa

Hello, Does anyone out there have a 10" mirror set they would like to sell? plz let me know Thank you Paul

24 Oct 2019

Views: 186


Wanted looking for a 3" secondary mirror

By: paul Location: Pennsylvania

Hello, I am looking for a 3 or 3.1 secondary mirror Thank you Paul

23 Nov 2020

Views: 121


Wanted WTB an 8" f/5 mirror if reasonable

By: wavefront Location: 80808

I'm trying to replace a mirror for an older Orion telescope. These mirrors were made of plate glass and are almost 3/...

25 Mar 2019

Views: 188


Wanted Small Secondary Flat Mirror

By: JeffAstro Location: Huntsville, AL

I'm looking for a small secondary flat mirror for a little telescope I'm making for a child. I need a mirror about 1...

18 Nov 2017

Views: 356


Wanted Foucault Tester For Mirror Evaluation...

By: Rich Nugent Location: Framingham, MA

I'm Interested in purchasing a Foucault tester. Let me know if you have one you'd be willing to part with. It should...

26 Mar 2021

Updated: 27 Apr 2021

Views: 201


For Sale FREE Bushnell 130mm x 32" reflector tube

By: Littlegreenman Location: South Pasadena, CA 91030

Free, local pickup only in NE Los Angeles/ Pasadena Arroyo area. NO SHIPPING ID is approximately 130mm Length 83cm...

18 Nov 2017

Views: 449


For Sale Small Finder Brackets

By: mike welsh Location: NE Illinois

A few items left over from various projects: -Two-ring bracket for 30mm finder with flat base that fits older Meade,...

09 May 2020

Views: 129


Wanted Alt Bearings from Zhumell Z8 or Apertura AD8 or any 8" DOB

By: sunrag Location: Indiana

Looking for the Alt bearings for an 8" Dob, to put on my Zhumell Z8. Adjustable of fixed. Thanks for looking

23 Apr 2019

Views: 329


For Sale 102mm f9.8 Celestron objective lens

By: montag Location: Dubuque, Iowa

This is a beauty. I put it in a test rig, and it was crisp and contrasty. And tack sharp. I couldn't see any CA but...

06 Dec 2019

Views: 173


Wanted WANTED--Adapter(Slip On Ring) 4 Night.Vision PVS 7

By: SiriusLooker Location: Arizona

Thanks for Looking... I need an (1)adapter -*(called)- Slip on Ring Adapter for Night Vision Goggles to connect the l...

29 May 2020

Views: 161


Wanted 9.75" INNER DIAMETER tube rings

By: Hudson NY Location: NY

If anyone has 9.75 inch INNER DIAMETER tube rings, I need them to finish up a project. Any condition, just working pl...

13 Oct 2019

Updated: 14 Oct 2019

Views: 188


Wanted 10-14 inch f/8 or so Mirrror

By: oviedo Location: FL

Looking for a used 10 to 14 inch f/8 or so mirror for an off-axis scope project. Condition not critical but want to...

17 Feb 2020

Views: 146


Wanted 6” Blanks Wanted

By: Dessman Location: Buffalo, NY

Hello, I am intending to teach telescope making to young people focused on a combination of 3D printing and mirror m...

21 Nov 2018

Views: 278


Wanted 16 inch mirror set

By: jakefromporcupine Location: Ontario

Hello. I am still searching for a 16 inch mirror set. F/4.5 would be ideal, but I can adjust for other focal lengt...

26 Jul 2018

Views: 253


Wanted WANTED: University Optics 12.5" primary mirror cell.

By: MDearingJaxFL Location: needed in Jax, FL

Looking for a University Optics 12.5" primary mirror cell. Please include shipping to 32073 (office). Would use PayPa...

01 Jun 2021

Views: 131


For Sale Etx 125 rear cap

By: Sean Cunneen Location: Flossmoor IL

I had so many plans for this, alas, none came to fruition... in like new condition... $45 shipped conus

05 Apr 2021

Views: 397


For Sale ES 152mm f/6.5 Air-Spaced Achromat lens

By: M_Guaveia Location: Tucson, AZ

ES 152mm f/6.5 Air-Spaced Achromat Lens Comes with cell and counter cell that allow lateral and longitudinal collima...

23 Sep 2018

Views: 303


Wanted 6" f/8 Optics

By: Augustus Location: Connecticut

Looking for 6" f/8 primary mirrors and appropriately sized secondaries. Also could use 1.25" focusers if you have the...

23 Jul 2020

Views: 470


For Sale mounted first surface mirrors, binocular objectives in cells *FREE*

By: wsx Location: Wilmington, NC

These items have been in storage and appear to be in excellent cosmetic and optical condition. 5-mounted first surfac...

27 Jun 2017

Views: 829


For Sale Celestron C8 parts. Secondary mirror, finder scope cap

By: woody wood Location: Long Island

My C8 suffered a fall and as a result shattered the corrector plate. I stripped it down and these parts are for sale....

09 Oct 2017

Views: 580


For Sale 14 inch Quartz Disc / mirror blank

By: saminaz Location: Mesa, AZ

I have a Quartz or Fused Silica disc for sale. This is a Semiconductor part that is out of spec. It is 14 1/2 inches...

08 Jul 2021

Views: 224


For Sale Zhumel 12" Dob Rocker Box - FREE

By: mad_hungarian Location: Jasper

Built a new rocker box and this has just been sitting around here. I'll part it out as well. Just pay shipping or F...

08 Jun 2019

Views: 193


Wanted Vintage threaded 60mm lens cell and dew shield

By: tony_spina Location: So Cal

Looking for a 60mm threaded lens cell that has the lens retaining ring and dew shield. the treads on the cell and on...

23 Jul 2020

Views: 208


Wanted Tube rings for 127mm /130mm tube.

By: astropinci Location: Western Mass

Looking for a used pair of tube rings for my 130mm tube. Thanks

26 Oct 2019

Views: 210


Wanted Foucault tester

By: Itz marcus Location: New York

Hi, I just don't seem to have the time to make one sooooo does anyone out there have a functional foucault tester? It...

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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