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18 Mar 2017

Views: 308


For Sale .965 Image Erector

in Diagonals by Tom Duncan

Typical unbranded .965" image erector with caps for terrestrial use. Probably out of an old wood-boxed small refracto...

02 Apr 2017

Views: 380


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

in Diagonals by xavier

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

02 Apr 2017

Views: 407


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

in Diagonals by xavier

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

05 May 2017

Views: 424


For Sale Celestron 2 inch diagonal

in Diagonals by glennshiller

For sale my Celestron 2 inch diagonal. I used only a couple of times. I no longer have a C-11. So it is not needed...

12 May 2017

Views: 349


For Sale 1.25" no name diagonals

in Diagonals by tag1260

I have two 1.25" diagonals to sell. One is a very nice mirror but I don't believe it's dielectric. The other one is...

01 Jul 2017

Updated: 01 Jul 2017

Views: 452


For Sale Unitron turret

in Diagonals by David631Young

Classic Unitron eyepiece turret. From the collection of the Astronomical Society of Kansas City

03 Jul 2017

Views: 332


For Sale GSO 1.25" diagonal

in Diagonals by fungus57

I have a GSO 1.25" mirror diagonal. Optically it's fine but not the greatest mechanical quality, mirror was not align...

12 Aug 2017

Updated: 22 Sep 2017

Views: 218


For Sale Newtonian secondary

in Diagonals by Bill Gnirrep

3.25" X 4". Has small scratch that does not affect images, otherwise in perfect condition. Asking $60 + shipping.+ Pl...

20 Sep 2017

Views: 369


For Sale Celestron 1.25" prism diagonal

in Diagonals by JakeJ

Very sharp optics.

20 Oct 2017

Views: 297


For Sale Questar Porro prism

in Diagonals by murphb

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

02 Nov 2017

Updated: 13 Jan 2018

Views: 419


For Sale PRICE REDUCTION Celestron Star Diagonal 1.25 inch

in Diagonals by Andrew5465

Ive Recently have gotten a celestron avx 6 inch Newtonian telescope but then I saw that Newtonians don’t used diagona...

07 Nov 2017

Views: 271


For Sale Vintage Vixen 1-1/4" Mirror Diagonal

in Diagonals by Lynnblac

Vixen mirror diagonal with cast alum body and caps. $65 shipped

13 Nov 2017

Views: 240


For Sale Secondary mirror w bar mount

in Diagonals by Pjmarkie

Secondary elliptical mirror from odyssey 13.1 inch short tube dobsonian scope for sale. Mirror is 4 inches long and...

18 Nov 2017

Views: 349


For Sale Diagonals and Camera adapters

in Diagonals by Irish43

Optica solar diagonal and camera (1.25 to T-thread) adapter system Celestron 1.25 inch star diagonal, Optica erect i...

21 Nov 2017

Views: 270


For Sale 45 and 90 degree 1.25" diagonals

in Diagonals by Emeryh

Both have plastic bodies with set screws and spotless mirrors.The 45 degree is an erect image diagonal. The 90 degree...

06 Dec 2017

Views: 343


For Sale Celestron 94115-A star diagonal with SCT adapter...

in Diagonals by nicoyenny

I have this nice 1.25" star diagonal attached to a really nice SCT visual back. Free shipping CONUS. Thanks.

12 Dec 2017

Views: 427


For Sale Meade JAPAN 1.25" Diagonal - Multi Coated

in Diagonals by Stan Lopata

Meade JAPAN 1.25" Diagonal - Multi Coated. This is a vintage 1980s Meade diagonal. JAPAN quality and glass in this...

15 Jan 2018

Updated: 19 Mar 2018

Views: 531


For Sale Everbrite 2 in diagonal

in Diagonals by tgermaine

Very good condition with a few insertion marks. mirror looks to be in excellent condition. No caps.

27 Jan 2018

Views: 265


For Sale Questar porro prism

in Diagonals by murphb

Old classic selling cheap due to chips on prism. Appear to be enough on outside of cone of light not to interfere wi...

28 Jan 2018

Updated: 28 Jan 2018

Views: 353


For Sale Meade SCT visual back and 90 degree 1.25 inch diagonal

in Diagonals by cheesehead

Visual back looks new and the diagonal looks barely used. both for $30 or separate for $20 each shipping included. pa...

22 Feb 2018

Views: 224


For Sale .965 mirror diagonal

in Diagonals by cosmic wind

.965 mirror Diagonal--Plastic body. Mirror is clean and clear...no scratches. $13 includes shipping to CONUS. PayPal...

03 Mar 2018

Views: 278


For Sale Celestron 2" StarBright XLT Diagonal

in Diagonals by charlie 14.5

Celestron 2” Mirror Diagonal Like new, used only once and decided the 2” eyepieces were too heavy for this scope. It...

09 Mar 2018

Views: 211


For Sale 1.25" Meade 90 deg. Mirror Diagonal - Needs Mirror Coated

in Diagonals by Roger64

The mirror needs replacing or coating. Shipping US only included.

12 Mar 2018

Updated: 20 Mar 2018

Views: 318


For Sale Meade series 5000 2'' dielectric diagonal

in Diagonals by mtrain

Meade series 5000 2'' dielectric diagonal, might have been used once if at all. 85.00 shipped CONUS.

19 Mar 2018

Updated: 26 Mar 2018

Views: 460


For Sale 2" Meade 32MM 60* Super wide Angle 4000 series eyepiece

in Diagonals by Alexander inc

2" 32MM Meade Series 4000 5 Element Plossl made in Japan I bought this a few years ago and enjoyed it much now I am m...

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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