18 Mar 2017
Views: 297
$30.00
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: 370
$220.00
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: 397
$165.00
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: 408
$115.00
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: 340
$25.00
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: 442
$170.00
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: 325
$12.00
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: 209
$60.00
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: 360
$20.00
For Sale Celestron 1.25" prism diagonal
in Diagonals by JakeJ
Very sharp optics.
20 Oct 2017
Views: 283
$125.00
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: 404
$32.00
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: 261
$65.00
For Sale Vintage Vixen 1-1/4" Mirror Diagonal
in Diagonals by Lynnblac
Vixen mirror diagonal with cast alum body and caps. $65 shipped
11 Nov 2017
Updated: 20 Dec 2017
Views: 333
$20.00
For Sale 90 Degree Diagonal Prism 1-1/4"
in Diagonals by DennisR
The name says it all - Made in China Came with Celestron OTA, but not labeled Celestron? Celestron Box? Used in the...
13 Nov 2017
Views: 229
$59.00
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: 335
$120.00
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: 259
$22.00
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: 331
$50.00
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: 411
$25.00
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...
27 Dec 2017
Updated: 27 Dec 2017
Views: 293
$50.00
For Sale Celestron 2 inch diagonal 93519
in Diagonals by CGAstronomer
Celestron 2 inch diagonal 93519. The mirror is clean and in great condition. A few minor scratches on the outside of...
15 Jan 2018
Updated: 19 Mar 2018
Views: 520
$110.00
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: 255
$90.00
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: 335
$30.00
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: 212
$13.00
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: 265
$115.00
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: 193
$12.50
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.
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