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24 Apr 2018

Views: 260


For Sale Edmund Scientific Secondary Mirror, minor axis = 1.25"

By: mlucas9 Location: Knoxville, TN

Hi All, For sale is a brand new condition, Edmund Scientific secondary elliptical mirror, minor axis = 1.25" (31mm),...

11 Mar 2020

Views: 299


For Sale ES 80mm f/6 ED Triplet Lens & Cell w/a very small chip

By: MASILMW Location: US

ES 80mm f/6 ED Triplet Lens & Cell w/a very small chip The lenses are Fully Multi-Coated and comes in a metal cel...

24 Apr 2020

Views: 227


For Sale 3 Secondary Mirror Holders to Choose From

By: scopehed Location: Meadview, Az

3 Secondary Mirror Holders to Choose From 1) 3" Secondary Mirror Holder A little bent, but still works Good $20.00...

24 Oct 2018

Views: 234


For Sale 10 inch Orion Primary Mirror Cell

By: CrashCrevey Location: Houston

10 inch primary mirror cell from Orion. She's a little rough but, all the parts are there and works as it should. $3...

23 Jan 2019

Views: 165


For Sale Edmund Scientific 1.5" Minor Axis Elliptical Diagonal Flat

By: starbird Location: 95409

This is an Edmund 1.5" minor axis diagonal. Pyrex glass in nice used condition. It is mounted on a wood block but is...

17 May 2019

Views: 120


Wanted Spider for 11.5"-12" ID Tube

By: Augustus Location: Connecticut

Need this for a 10" Dob, the one I have on hand isn't ideal. Thanks.

28 Aug 2017

Views: 357


For Sale Jaegers 5" Objective Cell

By: Chuck Hards Location: UT

Jaegers 5" objective cell in very good to excellent condition. Never been used, no holes drilled. Fits 5" OD tubing...

21 Aug 2019

Views: 216


For Sale Rare Edmund Finder Scope Crosshair Eyepiece

By: starbird Location: 95409

This is an Edmund crosshair eyepiece from an edmund straight through finderscope. The finder it came from was I beli...

13 Oct 2017

Views: 288


For Sale Vixen Celestron 114mm Newt parts

By: Littlegreenman Location: South Pasadena, CA

$7.50 for each of the 3 parts or make an offerBuyer pays shippingI take Paypal, MOThanks for looking,LGM

18 Nov 2019

Views: 177


For Sale 10" DOB Lightbridge Arms

By: scopehed Location: Meadview, Az

10" DOB Lightbridge Arms Connects Top Cage to Bottom Cage Like New! Excellent Condition! $50.00 Free Shipping in USA...

28 Dec 2019

Views: 303


For Sale BYERS 359 tooth gear and worm

By: nlamendo Location: Lima, NY

Byers 359 tooth, 4.650" O.D. aluminum gear with stainless steel worm. The inside diameter is 3.5". Unused, in perfect...

28 Feb 2020

Views: 125


For Sale Jaegers 6" Refractor Dew Shield

By: starbird Location: 95409

This is a Jaegers 6" refractor dew shield. It fits over Jaegers 6" lens cell and is a slip fit. Dewshield only nothi...

05 Apr 2020

Views: 49


Wanted Antares or Protostar 2.14" secondary mirror

By: jeanine Location: Utah

Looking for either one of these in as-new condition. 1/20 wave or 1/30 wave only.

01 Jun 2018

Views: 184


For Sale 23-3/4" Losmandy Dovetail

By: Tom Duncan Location: Chico, CA

Used 23-3/4" long Losmandy-style dovetail. Has the relieved back side to reduce weight, only weighs 4lbs 3oz now! No...

29 Apr 2020

Views: 95


Wanted Achromatic Lenses

By: MarcoItaly Location: Italy

For a SHG project, I'm looking for good quality achromatic objective lenses (with or without cell). A 100mm diameter...

Yesterday, 03:48 PM

Views: 249


For Sale 10- inch polished mirror uncoated

By: myronwasiuta Location: Spotsylvania Virginia

10-inch diameter approx focal length 60 inches. 1.75 inches thick. Looks to be very old. Uncertain as to whether it i...

31 Mar 2017

Views: 378


For Sale Brashear Finder Telescope Lens in Brass Cell

By: starbird Location: 95409

Some years ago I rescued this lens from a Brashear 5" refractor telescope. The finderscope was trashed but the lens w...

30 Jul 2019

Views: 353


For Sale 12.6 inch optical window

By: wiseone Location: UK

New and unused 12.6 inch BK7 optical window for making a closed Newtonian or similar. Optically perfect (see Ronchigr...

20 Feb 2018

Updated: 24 Feb 2018

Views: 562


For Sale 6" Littrow Lens Set, Unfinished, UPDATED

By: ccaissie Location: 04353

6" Littrow set Crown element R1=R2 finished, polished. Flint element R3 is semipolished, R4 (flat) is fine Ground. u...

16 Sep 2018

Views: 278


For Sale 12.5" f/8 Pyrex Primary Mirror - UNFINISHED

By: Augustus Location: Connecticut

Perfect for a planet killer or Chief! This mirror has been partially polished out at a focal ratio of approximately f...

12 Dec 2018

Views: 269


For Sale 10.5 inch sonotube 1/8 inch wall. 42 inches useable

By: mashirts Location: Elgin, TX

Don't waste energy looking for 10 inch sonotube at Lowe's or Home depot. The only sell 12 and 8 inch. The is 10.5 i...

09 Apr 2017

Views: 474


For Sale Wolf Gearless Drive

By: Chuck Hards Location: UT

This is the Wolf Gearless Drive, advertised in the magazines decades ago. I bought it used on eBay a few years ago, b...

21 Sep 2019

Views: 154


For Sale small counter weight

By: mikkelson12 Location: NJ

pp is ok shipping $8.00 if u need that little amount of weight

08 Nov 2017

Updated: 14 Nov 2017

Views: 722


For Sale Edmund Optics Spanner Wrench Set SOLD

By: johnlynch Location: Leesburg, Virginia

I'm selling an Edmund Spanner Wrench Set that is fully adjustable from 1/2 inch to 7 inches. I've included photograph...

28 Mar 2020

Views: 70


Wanted Wanted: 4" elliptical secondary mirror - any condition

By: earthstar Location: CA

Got an old tired mirror, under loved, a bit rough? Any condition will do, so the cheaper rougher candidate is preferr...

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