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03 Jan 2019

Views: 199

Sold!
$22.00

For Sale Unknown 70mm x 500mm Achromatic Objective Lens + Cell


By: Augustus Location: Connecticut

Got this with a bunch of other stuff. Thought it was Surplus Shed but the cell doesn't look correct for it to be such...

03 Jan 2019

Views: 174

Sold!
$30.00

For Sale Criterion 1-inch Diagonal/Holder


By: dougm Location: Philadelphia

Got this a while back for a 6-inch dob project, but is just a bit to small for me to use. From a Criterion 6-inch ref...

02 Jan 2019

Updated: 26 Jan 2019

Views: 148

UPDATED
$20.00

For Sale Meade 1.30 inch eliptical secondary mirror. $20 , New, with the box.


By: gaetan8888 Location: Canada

Hello Meade 1.30 inch eliptical secondary mirror. New, with the box. The price are $20. plus shipping. You can pay...

01 Jan 2019

Views: 195

Sold!
$29.00

For Sale Edmund 6" Adjustable Aluminum Mirror Cell


By: starbird Location: 95409

Original edmund 6" reflector adjustable aluminum mirror cell. The old standard for a 6" cell. Great condition. Pri...

01 Jan 2019

Views: 266


$27.00

For Sale Edmund Scientific 2" Quartz Optical Flat


By: starbird Location: 95409

This was made in the Edmund Barrington New Jersey optical shop in the 90's. The coating has deteriorated and should...

01 Jan 2019

Views: 201


$34.00

For Sale TAL 1.25" Rack and Pinion Focuser for 7" tube


By: starbird Location: 95409

This is a Tal 1.25" rack and pinion reflector focuser. Fits a 7" OD tube and as is the case with russian stuff solidl...

01 Jan 2019

Views: 332


$29.00

For Sale Edmund Scientific Astroscan Optical Window with Secondary


By: starbird Location: 95409

This is an Edmund astroscan optical window with attached elliptical secondary mirror. Original made in USA item. P...

01 Jan 2019

Views: 291

Sold!
$35.00

For Sale Refractor Focuser for 86mm Diameter Tube


By: Nick W. Location: Missoula, MT

This is a pretty nice focuser I picked up on CN a few years ago for a refractor project I've since abandoned. OD of t...

01 Jan 2019

Views: 279

Sold!
$50.00

For Sale Jaegers 82mm f/13 Cemented Achromatic Doublet Surplus Shed


By: Nick W. Location: Missoula, MT

I purchased this objective from Surplus Shed a few years back thinking I would make a refractor. Never got around to...

31 Dec 2018

Views: 557

Sold!
n/a

For Sale Tube for 10" reflector (free)


By: laixiaolue Location: San Jose

12" ID and 45" length. Good for a 10" F4.5 reflector. Pick up free in Bay area.

31 Dec 2018

Views: 404

Sold!
$55.00

For Sale Vintage Criterion 4.25" Optical Set


By: starbird Location: 95409

This is a very vintage criterion 4.25" set of optics and other mechanical parts. This came out of a very old criteri...

31 Dec 2018

Views: 386

Sold!
$375.00

For Sale Vintage Optical Craftsman 10" F5.6 Parabolic Mirror


By: starbird Location: 95409

This is a vintage Optical Craftsman 10" F5.6 Parabolic Primary Mirror. Full thickness pyrex. In storage box marked O...

30 Dec 2018

Views: 138


$85.00

For Sale 25 Micron Aluminum Oxide, 20 KG


By: Augustus Location: Connecticut

I have realized I will probably never go through this much grit, so I'm offering it for sale. To my knowledge none ha...

30 Dec 2018

Views: 136


$75.00

For Sale 9 Micron Aluminum Oxide, ~13 KG


By: Augustus Location: Connecticut

I have realized I will probably never go through this much grit, so I'm offering it for sale. I weighed this a while...

29 Dec 2018

Views: 321

Sold!
$50.00

For Sale 4.5” F8 1/8 wave Coulter Parabolic Primary Mirror


By: Terra Nova Location: Cincinnati Metro

NEW full-thickness, 1/8 wave, parabolic figure, primary mirror, 4.5” diameter, F8, made by Coulter Optical. I purchas...

29 Dec 2018

Views: 269

Sold!
$55.00

For Sale 1 kg unopened Gugolz pitch + 1 lb unopened Cerium Oxide


By: Augustus Location: Connecticut

I already have a lifetime supply of both of these, so offering these unopened extras for sale. $55 + PayPal + shipping.

29 Dec 2018

Views: 491

Sold!
$100.00

For Sale Heavy Duty Foucault Tester


By: Augustus Location: Connecticut

This tester is the most solid, well-built Foucault tester I have ever owned. Unfortunately, I am not blessed with a...

29 Dec 2018

Views: 308

Sold!
$75.00

For Sale Spherometer & Digital Deep-Throat Micrometer


By: Augustus Location: Connecticut

I have a spherometer already and don't need the micrometer, so I'm offering these for sale. The spherometer is accur...

29 Dec 2018

Updated: 02 Jan 2019

Views: 476

Sold!
$230.00

For Sale 10” F4 with 62mm secondary - REDUCED


By: tg_quigley Location: Langley

I’ve used this set to prototype a push-to dobsonian design. Now I’m ready to move up to a larger system. I purchased...

27 Dec 2018

Views: 374

Sold!
$40.00

For Sale 90mm f/10 Achromatic Objective Lens (Surplus Shed?)


By: Augustus Location: Connecticut

Got this from a friend. While I do plan on using its faster sibling as a finderscope I don't really need a 90mm f/10...

27 Dec 2018

Updated: 07 Jan 2019

Views: 684

UPDATED
$995.00

For Sale Pegasus Optics...new mirror 12.5 inch...$995.00


By: vrusimov Location: Lafayette, Louisiana 70503

This mirror was made specifically for a Teeter telescope, which I still have ( f/4.93). It has never been used in the...

26 Dec 2018

Updated: 26 Dec 2018

Views: 628

Sold!
$400.00

For Sale FS: 16" f/4.5 Optics and structure parts


By: qpHalcy0n Location: Dallas

Selling because of a scope upgrade. So here's what we've got: This is a parted out 16" Meade Lightbridge delivered 03...

26 Dec 2018

Views: 308


$49.00

For Sale achromatic glass telescope objective 90mmD, 900mm FL


By: bob71741 Location: Scottsdale, Az

Nice mounted air-spaced achromatic glass telescope objective. Both elements are AR coated. Clear lens diameter of 90m...

26 Dec 2018

Updated: 27 Dec 2018

Views: 520

Sold!
$495.00

For Sale 16" f4.5 meade mirror** reduced


By: paul Location: Pa

Hello, I am selling my 16" meade mirror, I have a new 15" scope that is easier to set up so I am using that more now....

24 Dec 2018

Views: 924

Sold!
$850.00

For Sale 16" f/4.5 Refigured Meade Mirror - Excellent


By: Chuck T Location: Williamsburg, VA

I am selling my 16" f/4.5 Meade mirror that was refigured by Jerry Wilkinson of Galaxy Optics. I bought the mirror fo...

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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