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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.

Diagonals

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For Sale

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30 Nov 2020

$2,200.00

For Sale Zeiss Q1 130x100

By: ACG Location: Spain

I have decided to sell one of my two giant Zeiss mirror diagonals. It has not been used and its optical and mechanic...

16 Mar 2019

$569.00

For Sale Zeiss M44 Prism diagonal updated with Baader Planetarium adapters

By: ORION3004 Location: Mexico City

Zeiss M44 Prism diagonal updated with Baader Planetarirum adaptersThe best prism diagonal ever made!Condition: MintO...

03 Nov 2018

Updated: 10 Dec 2018

UPDATED
$375.00

For Sale Van Slyke Versa Slider

By: oracleartist Location: Prescott, AZ

Good condition Van Slyke versa slider. 375.00 shipped. This does not look like it has had much use and I was told by...

05 Jan 2019

Updated: 05 Jan 2019

UPDATED
$350.00

For Sale For sale, Takahashi 2" diagonals

By: jongmin Location: South Korea

For sale Takahashi 2inch diagonals. It's almost mint condition. Sale it USD350

10 Oct 2018

Updated: 10 Oct 2018

UPDATED
$329.00

For Sale Vintage 2" Giant Celestron Diagonal for C-11 & C-14

By: VictorMG Location: Portage, In.

I have a giant Celestron Diagonal for Celestron Orange and Black tube, vintage C-14's and C-11's. The eyepiece and 1...

30 Nov 2020

$299.00

For Sale Giant potential Diagonal 90mm entrance aperture

By: RichA Location: toronto

This is from an American lab optical assembly. It is a diagonal mirror. The mirror has some dust on it from sitting,...

26 Sep 2020

$280.00

For Sale 3" Explore Scientific Diagonal

By: mccarthymark Location: Fremont, CA

As new 3" Explore Scientific diagonal, with 3" to 2" adapter. $280 includes Paypal and CONUS postage.

15 Aug 2018

$250.00

For Sale 2 inch elliptical mirror diagonal C8/11/14

By: xcrossing Location: Loveland, Colorado

Fits all 3 scopes. Elliptical mirror has collimating adjustment. Tested perfect by telescope expert. Made for Celestr...

18 Mar 2019

$225.00

For Sale Unitron Unihex with Barlow and Box

By: woodsman Location: Colorado Springs, CO

I found this today in my stash of stuff as I was going through my crazy bunch of Astro Gear. I didn't even know I had...

02 Apr 2017

$220.00

For Sale Antique star diagonal prism (Zeiss?) 19th century

By: xavier Location: France

Antique star diagonal prism (Zeiss?) 19th centuryIt could be a Zeiss star diagonal prism. I'm not sure. It's unsign...

17 Jan 2021

$200.00

For Sale William Optics 2" Durabright RotoLock Diagonal

By: wrvond Location: West Virginia

William Optics 2" Durabright RotoLock Diagonal - D-DIG2D-ROTO-A2 This William Optics 90-degree diagonal is machined o...

03 Jan 2021

$199.00

For Sale William Optics 2" Correct Image 45-degree Diagonal

By: JeffMartin Location: San Diego

William Optics 2" Correct Image Diagonal with box, caps and 1.25 adapter. free shipping in CONUS

23 Nov 2019

$180.00

For Sale Williams Optics 2 inch diagonal

By: Unclehlh Location: Virginia

2 inch Williams Optics diagonal dielectric mirror for schmidt-cassegrain telescope.

25 Mar 2020

$175.00

For Sale Vernonscope 2" 45° Amici Prism

By: Camcon101 Location: Stony Brook, NY

Body shows some wear but the prisms are clean. You might see a dust speck or two in the photos but that is all. Free...

02 Apr 2017

$165.00

For Sale Antique star diagonal prism, 19th century (small)

By: xavier Location: France

Antique star diagonal prism, 19th century (small)Small brass star diagonal prism in very good condition. No idea of...

Yesterday, 03:50 PM

$165.00

For Sale 2" Tele Vue Everbrite Diagonal #SDP-1002

By: Tom Duncan Location: Chico, CA 95926

2" Tele Vue SDP-1002 "Everbrite" mirror diagonal with 'hi-hat' 1.25" adapter, caps and box as shown. Note the 'Everb...

22 Nov 2020

$150.00

For Sale APM 2” Prism Diagonal

By: rsalva1 Location: Texas

Good evening, I have a used APM 2” prism diagonal. The prism is in good condition, very crisp and clear. The body ha...

15 Nov 2020

$150.00

For Sale Explore Scientific CF 2" Diagonal - Brand New

By: AirBourn Location: Minneapolis Area

Brand new carbon fiber 99% Reflective 2" diagonal included with my ES ED102-FCD100. Never used - only took it out of...

17 Jan 2021

$140.00

For Sale William Optics 2" Dura Bright Dielectric SCT Diagonal

By: wrvond Location: West Virginia

William Optics 2" Dura Bright Dielectric SCT Diagonal - D-DIG2D-C-DB-SCT • Dielectric coating allows 99% reflectivi...

Yesterday, 02:51 PM

$135.00

For Sale Celestron 2" SCT Starbright XLT Diagonal, with Case

By: dferk333 Location: Northern California

Excellent 2" diagonal with threaded ring for SCT rear cell and 1.25" adapter. Celestron model #93527. Includes the r...

30 Nov 2020

$130.00

For Sale Astro Professional 2" SCT Erecting Prism

By: Nicu Barbieru Location: Constanta - Romania

Up for selling one Astro Professional 2" SCT Erecting Prism. It is in very good conditions,new in fact as I never us...

23 Feb 2019

$125.00

For Sale Tele Vue 2" Mirror Star Diagonal with 1.25" Adapter

By: starbird Location: 95409

This is a tele vue 2" mirror star diagonal with a 1.25" eyepiece adapter. Very nice solid diagonal almost unused been...

23 Feb 2019

$125.00

For Sale Tele Vue 2" Diagonal (1999) w/ New 1.25" adapter

By: joshuamott Location: Prosser, wa

This came with a Tele Vue 101 that I purchased recently from Adorama. The serial number on the scope is #1207, but I...

28 Nov 2019

$125.00

For Sale Tele vue 90 degree Everbrite Star Diagonal 1.25

By: Camcon101 Location: Stony Brook, NY

A few cosmetic blems on body but the mirror is in great shape. No marks of any kind. free shi[pping in the continent...

20 Oct 2017

$125.00

For Sale Questar Porro prism

By: murphb Location: Boston

Questar porroprism with some chips on edge although don't think it will interfere with very narrow cone of light. Sel...

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.

Astronomics discounts for Cloudy Nights members

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.

Diagonals

For Sale Zeiss Q1 130x100

For Sale Zeiss M44 Prism diagonal updated with Baader Planetarium adapters

For Sale Van Slyke Versa Slider

For Sale For sale, Takahashi 2" diagonals

For Sale Vintage 2" Giant Celestron Diagonal for C-11 & C-14

For Sale Giant potential Diagonal 90mm entrance aperture

For Sale 3" Explore Scientific Diagonal

For Sale 2 inch elliptical mirror diagonal C8/11/14

For Sale Unitron Unihex with Barlow and Box

For Sale Antique star diagonal prism (Zeiss?) 19th century

For Sale William Optics 2" Durabright RotoLock Diagonal

For Sale William Optics 2" Correct Image 45-degree Diagonal

For Sale Williams Optics 2 inch diagonal

For Sale Vernonscope 2" 45° Amici Prism

For Sale Antique star diagonal prism, 19th century (small)

For Sale 2" Tele Vue Everbrite Diagonal #SDP-1002

For Sale APM 2” Prism Diagonal

For Sale Explore Scientific CF 2" Diagonal - Brand New

For Sale William Optics 2" Dura Bright Dielectric SCT Diagonal

For Sale Celestron 2" SCT Starbright XLT Diagonal, with Case

For Sale Astro Professional 2" SCT Erecting Prism

For Sale Tele Vue 2" Mirror Star Diagonal with 1.25" Adapter

For Sale Tele Vue 2" Diagonal (1999) w/ New 1.25" adapter

For Sale Tele vue 90 degree Everbrite Star Diagonal 1.25

For Sale Questar Porro prism

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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