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Today, 08:03 AM

Views: 6


For Sale ETX 45 Degree Prism, Excellent Condition!

By: Dale Penkala Location: Auburn, Michigan

I have a 45 degree prism for the etx scopes. This is in excellent condition. This just goes in place of the threaded...

Yesterday, 06:37 PM

Views: 48


For Sale Intes Micro 1" Minor Axis Elliptical Diagona Flat Mirror

By: starbird Location: 95409

Last one of these I have. Left over from my dealer days. It is a just under 1" minor axis elliptical diagonal flat....

09 Aug 2020

Views: 57


For Sale flip mirror- Meade 644 japan

By: demarko69 Location: AZ

Meade 644 flip-mirror Japan mfg. I bought this this awhile back. never used it, going a different direction with my E...

Yesterday, 01:08 PM

Views: 82



By: beguerra Location: 88201

Original Meade 2" SCT threaded diagonal. Item is in very good condition with a small scuff mark on 1 1/4" adapter....

05 Jan 2020

Views: 89


For Sale Tele vue 90 Degree Star Diagonal - 1.25 (Older Style)

By: Camcon101 Location: Stony Brook, NY

Excellent condition Tele vue 90 Degree Star Diagonal - 1.25 (Older Style) Free shipping in the continental US Paypa...

09 Aug 2020

Views: 95



By: GStar Location: Tucson, AZ

This 2 inch SCT mirror diagonal has Celestron’s StarBright XLT coating, a 1.25” to 2” adaptor and is in good conditio...

05 Aug 2020

Views: 96


For Sale Apertura 2” SCT Dielectric Mirror Diagonal

By: JayWisc Location: 84096

-Apertura 2” SCT Dielectric Mirror Diagonal(only used twice) - Retail $139.95 - Selling for $110 - PP and Shipping in...

08 Aug 2020

Views: 97


For Sale Stellarvue Enhanced 2" Dialectric Diagonal

By: dsnay Location: Massachusetts

This diagonal has never been used outside my observatory. I bought it a few years ago, but haven't used it very often...

09 Aug 2020

Views: 105


For Sale Celestron by Vixen RFA diagonal 0.5

By: bob midiri Location: se pa 19320

I have here A Vixen made for Celestron F5 or 0.5 rich field adapter. The box is a bit worn, but the RFA is like new a...

11 Nov 2019

Views: 107


For Sale 1980's Terrestrial Inverting Prism for Telescopes .965 diameter

By: rcobservatory Location: WV

This is a nice 1980's .965 diameter terrestrial inverter for telescopes. This lets you observe land objects right sid...

23 Dec 2019

Updated: 27 Dec 2019

Views: 116


For Sale Generic, 1.25" 45* prism erecting diagonal

By: Spotondl Location: Southern California

Blowing out extra stuff taking space. This is a generic 45 degree erecting prism diagaonal, 1.25" Optics are excelle...

17 Aug 2019

Views: 131


For Sale 1.25” 45 degree prism diagonal

By: rfic1 Location: ct

Unknown maker but decent build quality. Excellent condition. $23ppd

30 Jan 2020

Views: 132


For Sale Quality NOS 0.965 diagonal Japan

By: Littlegreenman Location: South Pasadena, CA 91030

Offered is a NOS quality 0.965 diagonal, made in Japan No plastic that I can find, except for the caps. 4 screws on...

07 Aug 2020

Views: 134


For Sale 3 Different .965 Diagonals to Choose From

By: scopehed Location: Meadview, Az

3 Different .965 Diagonals to Choose From 1) .965 All Metal Prism Diagonal Caps Included Excellent Condition $20.00...

27 Nov 2019

Views: 136


For Sale Edmund Scientific 2.62" Minor Axis Pyrex Elliptical Diagonal

By: starbird Location: 95409

This is an edmund 2.62" minor axis pyrex elliptical diagonal flat mirror. It has a good size chip in the bottom edge...

05 Nov 2018

Views: 142


For Sale .965" Poro Prism correct image adapter

By: scopehed Location: Meadview Az.

.965" Poro Prism this gives a straight through correct image with your refractor or sct uses .965" eyepieces and goes...

01 Aug 2020

Updated: 01 Aug 2020

Views: 143


For Sale WO Dielectric 1 1/4'' Diagonal

By: Broglock Location: MO

William Optics 1 1/4" Dielectric diagonal w/ carbonfiber side plates in original packaging. Used in very good conditi...

03 Oct 2019

Views: 155


For Sale Coulter 4.25" Minor Axis Elliptical Diagonal Flat Pyrex

By: starbird Location: 95409

This is a vintage coulter 4.25" minor axis pyrex elliptical diagonal flat. Mounted on a 45 degree bracket and blacken...

28 May 2019

Updated: 19 Aug 2019

Views: 156


For Sale IDAI.LTD 3x relay diagonal

By: Jeff S. Location: Arizona

3x relay diagonal, sold by Idai.ltd of New York. Diagonal is very good cosmetic conditions and the optics are free of...

28 Feb 2020

Updated: 28 Feb 2020

Views: 160


For Sale Meade 2" diagonal and 30mm QX-70 Eyepiece

By: fcathell Location: Arizona

Meade 2" diagonal with 1.25" eyepiece reducer, and Meade 2", 30mm QX-70 eyepiece. End caps for diagonal and bolt case...

24 Feb 2020

Views: 161


For Sale Celestron 1 1/4" 45 Degree Correct Image Diagonal

By: scopehed Location: Meadview, AZ

Celestron 1 1/4" 45 Degree Correct Image Diagonal Excellent Condition $20.00 Free Shipping in USA

25 Mar 2020

Views: 162


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...

14 Nov 2019

Views: 162


For Sale Secondary Holder

By: MASILMW Location: US

Secondary Holder The secondary stalk fits the Edmund, Yeagers, University Optics etc. focusers. $10.00 shipped in CON...

16 May 2019

Updated: 14 Jun 2019

Views: 162


For Sale New Celestron 45 degree erecting prism 1.25"

By: James Bielaga Location: Marysville, WA

I have one new #94112 45 degree prism 1.25" diagonal. This gives you right side up image for daytime viewing. Buyer...

26 Nov 2019

Views: 169


For Sale 2" Pyrex Elliptical Diagonal Mirror

By: Peter Nance Location: 92870

Brand new 2.00" minor axis telescope diagonal mirror. Flatness is 1/12th wave. Coated with aluminum and protected wit...

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