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05 Jul 2017

Updated: 23 Jul 2017

Views: 554

Sold!
$115.00

For Sale 8 Inch f/5 Newtonian Mirror REDUCED


By: Chuck Hards Location: UT

8-inch f/5 Newtonian mirror, approx. 1" thick. Probably not Pyrex but the modern equivalent, it's Chinese made. I've...

05 Jul 2017

Views: 508

Sold!
$200.00

For Sale 127mm x 1200mm Achromatic Objective & Cell


By: Chuck Hards Location: UT

Surplus Shed/Wollensak #L3967. 127mm diameter by 1200mm focal length, f/9.45. Surplus Shed has these custom made ob...

03 Jul 2017

Views: 267

Sold!
$80.00

For Sale (6) 4" dia Pyrex mirror blanks FREE S&H


By: coinboy1 Location: Tulsa, OK

Up for sale is a set of (6) 4" diameter x 1" thick Pyrex mirror blanks. 2 of the blanks are fine ground flat on both...

03 Jul 2017

Views: 672

Sold!
$165.00

For Sale Celestron 14" SCT mirror set FREE S&H C14


By: coinboy1 Location: Tulsa, OK

Up for sale is my 14" Pyrex SCT mirror set from a C14. Coating on primary is still decent, has some minor coating dam...

03 Jul 2017

Views: 377

Sold!
$135.00

For Sale 10" Pyrex mirror blank full thickness F/6 FREE S&H


By: coinboy1 Location: Tulsa, OK

Up for sale is my 10" Pyrex mirror blank, full thickness. In excellent shape, no nicks or chips in the glass at all....

30 Jun 2017

Views: 318

Sold!
$20.00

For Sale Novak Spider


By: jrb Location: Thousand Oaks

Novak regular duty spider Fits 9" ID tube Like new

29 Jun 2017

Views: 648

Sold!
$275.00

For Sale Body parts for classic 16" f4.5 dobsonian


By: bob nj Location: Princeton NJ

Body for a homemade 16” Dobsonian, classic design made with many-ply plywood for a f4.5 Meade mirror. Includes rocker...

28 Jun 2017

Views: 212

Found!
$1.00

Wanted *WANTED* Vintage Celestron C5 Case/Trunk


By: ETXer Location: Rockville, MD

Looking for a case in usable condition for my orange tube C5, the vintage trunk type. Name your price!

28 Jun 2017

Views: 387

Sold!
$60.00

For Sale Abrasives and Blanks


By: MarcoItaly Location: Italy

- Abrasives (various grades and quantities, enough for 12" mirror grinding), pitch and Cerium Oxide: 100$ - Mirror Bl...

27 Jun 2017

Views: 383

Sold!
$60.00

For Sale 12.5" University Optics Mirror Cell


By: dougm Location: Philadelphia

Parting out a dob project, and am offering up this great condition University 12.5" mirror cell. New these run $75. I...

27 Jun 2017

Views: 478

Sold!
$275.00

For Sale Optical Craftsmen 12", f/6 Primary


By: dougm Location: Philadelphia

Offering up a good condition Optical Craftsmen 12" full-thickness f/6 primary mirror. The little testing I was able t...

27 Jun 2017

Views: 677

Sold!
n/a

For Sale Celestron C8 parts. Secondary mirror, finder scope cap


By: woody wood Location: Long Island

My C8 suffered a fall and as a result shattered the corrector plate. I stripped it down and these parts are for sale....

22 Jun 2017

Views: 689

Sold!
$600.00

For Sale 17.5" f4.5 Coulter Primary Mirror


By: Dave Radosevich Location: Reno Nv

This started out as a Coulter 17.5" mirror. I cant say for sure but it appears to have been re-figured. Its a good mi...

22 Jun 2017

Views: 242

Sold!
$14.00

For Sale Dew Shield and cap for 70-80MM cells. 14 shipped


By: tubehead999 Location: Kennesaw GA

Dew Shield/Sunshade , 3 3/4 inside diameter, 4 3/4 in length. I had this on a homebrew70MM...note build-up of interio...

19 Jun 2017

Views: 379

Sold!
$180.00

For Sale 8" Parks f6 Mirror, Secondary, Spider, Focuser


By: Stan Lopata Location: 13323

Full thickness 8" Pyrex(?) mirror - coating isn't 100%, but it is pretty darn good. Secondary has one area(see photo...

18 Jun 2017

Views: 296

Found!
$30.00

Wanted 60mm x 910mm vintage achromatic lens


By: LarsJ Location: Sycamore, IL

I'm looking for a high-quality 60 x 910 lens (without cell) to complete a project. I picked up an early 1970s Swift...

17 Jun 2017

Updated: 22 Jun 2017

Views: 392

UPDATED
$1.00

Wanted WANTED 16" mirror *FOUND* just what I needed!


By: robba Location: NW Fla

16"f4 or higher.⭐️🌛

16 Jun 2017

Views: 325

Sold!
$150.00

For Sale Parallax Rings 8 inch


By: Dennis Persyk Location: Hampshire, Illinois

I am selling my brand new, unused 8 inch Parallax Rings. I ordered them to mount my brand new TPO 8 inch scope. Unfo...

15 Jun 2017

Views: 456

Sold!
$160.00

For Sale 10" Coulter Mirror and Secondary


By: Stan Lopata Location: 13323

10" Coulter Mirror and Secondary - f5.6 mirror comes with a nicely constructed homemade adjustable cell. Secondary a...

14 Jun 2017

Views: 514

Sold!
$65.00

For Sale 7" 52"one pic aluminum tube with original


By: mikkelson12 Location: jackson nj

this is from the NY astronomy club from 1959 to 1962 with the original mirror and mirror cell this is a bell Labs th...

14 Jun 2017

Views: 487

Sold!
$45.00

For Sale Edmund 6" F6 Parabolic Mirror


By: starbird Location: 95409

This was made for me by Jeff Hunter of Edmund Scientific in the late 90's. Nice clear pyrex with just a few very sli...

13 Jun 2017

Views: 655

Sold!
$400.00

For Sale Byers Drive 7.5" 359 Tooth, Used


By: David Aguilar Location: Colorado

Here is one of those rare Byer drives that operate smooth as glass. It is 7.5" diameter 359 tooth drive with a 1.500"...

11 Jun 2017

Views: 457

Sold!
$23.00

For Sale Vintage 2 7/8" Lens F6 Jaegers


By: starbird Location: 95409

This is a 2 7/8" diameter about F6 cemented achromatic doublet lens. I had this in a box marked Jaegers lenses. Bee...

11 Jun 2017

Views: 307

Sold!
$75.00

For Sale Parks 1.81" Secondary with holder and Spider


By: Rexcat Location: Brookfield WI

Hi All, I have a Parks 1.81" minor axis Secondary Mirror. The coating is in great shape, showing no marks. The holder...

11 Jun 2017

Views: 527

Sold!
$165.00

For Sale Parks 8" F6 Mirror


By: Rexcat Location: Brookfield WI

Hi All, I have a Parks 8" F6 Pyrex full thickness mirror. The coating is in pretty good shape, just a few sleeks in...

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