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24 Nov 2020

Views: 94


$15.00

For Sale 48mm Diameter Lens, Cell & Tube


By: MASILMW Location: US

48mm Diameter Lens, Cell & Tube The lens is cemented and MgF2 hard coated. The focal length is 125mm. The rear of...

24 Nov 2020

Views: 167


$35.00

For Sale 80mm F5 achromatic lens. FREE SHIPPING!


By: dmcnally Location: Lompoc, CA

For sale: 80mm F5 doublet achromatic lens and cell.I bought this lens from Surplus Shed a few years ago and it's neve...

23 Nov 2020

Views: 269


$4,000.00

For Sale 16” R.F.Royce Dall Kirkham Cassegrain mirror set in excellent condition.


By: Toby44 Location: Shelford, Victoria, Australia

Primary mirror is 16” F4 conical mirror. Secondary is 4” spherical mirror with a total focal length of F18. The prima...

23 Nov 2020

Views: 82


$20.00

For Sale 2" Eyepiece Focus Tube Extender with Brass Compression Ring


By: starbird Location: 95409

This is a brand new 2" focus tube extender with a brass compression ring for the eyepiece. Price is $20.00 plus $3.7...

22 Nov 2020

Views: 88


$40.00

For Sale 4" f/11.27 Primary Mirror


By: MASILMW Location: US

4" f/11.27 Primary Mirror The focal length is 1150mm. The mirror is made of Pyrex. and is probably spherical but, tha...

21 Nov 2020

Views: 128


$30.00

For Sale NEW Carton 4" Telescope Mirrors


By: MASILMW Location: US

NEW Carton 4" Telescope Mirrors 4" f/10 Spherical Made in Japan by Carton Optical Co. From a recent purchaser btw - T...

19 Nov 2020

Updated: Yesterday, 08:42 AM

Views: 78

UPDATED
$30.00

For Sale 1.8 Secondary Elliptical Mirror


By: Mason Dixon Location: Huntsville Alabama

$30 shipped in US

18 Nov 2020

Views: 148


$20.00

For Sale Aluminum Radius Blocks for Telescope Tube Mounting


By: starbird Location: 95409

This is a set of two aluminum radius blocks to mount to a telescope tube. Radius fits about a 12" OD tube. Used con...

17 Nov 2020

Views: 318


$40.00

For Sale 1 inch thick annealed, stress free glass pieces.


By: mashirts Location: Elgin, TX

1 inch thick annealed, stress free glass. One piece is large enough for 17 inch blank the other for 14 inches or mor...

16 Nov 2020

Views: 324


$300.00

For Sale Huge Fujinon F1.6 7" front lens TV Zoom "Made In Japan"


By: scopehed Location: Meadview, Az

Fujinon TV Zoom "Made In Japan" F=1:1.6 Focal length from 12MM to 215MM Should make an awesome lens for imaging the...

16 Nov 2020

Views: 81


$25.00

For Sale Tube from Unitron 114- for restoration


By: Jbslus2 Location: Kingsport TN

Unitron 114 tube for a restoration project. It has a few dents and scrapes and a couple extra holes aside from the fi...

15 Nov 2020

Views: 82


$28.00

For Sale 70mm Air-Spaced Achromat in Metal Cell


By: MASILMW Location: US

70mm Air-Spaced Achromat in Metal Cell The focal length is 315mm f/4.5. Made by Carton Optical in Japan. The lenses a...

15 Nov 2020

Views: 220


$45.00

For Sale 6" Primary Mirror f/5


By: MASILMW Location: US

6" Primary Mirror f/5 I think it came from a Celestron telescope but, that's only a guess. The focal length is 750mm...

14 Nov 2020

Views: 133


$469.00

For Sale Nice binocular ATM assembly for a ZEISS 50/540 lens+6 oculars


By: HGSTAR Location: Germany

Offering a nice binocular ATM Ensemble "Telebinor" f o r a ZEISS 50/540 objective Comes with nice helical focuser...

12 Nov 2020

Views: 219


$3,000.00

For Sale Torus OMI 20" f/5 primary new in box.


By: Edobson20 Location: Datil, NM

Never used still in box Torus primary f/5 Perfect. Have another add with all the rest of the scope plus this mirror....

11 Nov 2020

Views: 517


$250.00

For Sale 20" DOB Mount & Tube 18 Point Mirror Cell, Spider & Shield


By: scopehed Location: Meadview, Az

20" DOB Mount & Tube 18 Point flotation Mirror Cell, Spider & Light Shield Does NOT Include Mirror, findersco...

10 Nov 2020

Updated: 11 Nov 2020

Views: 267

UPDATED
$30.00

For Sale Pipe Flange 2" NPT Machined Solid Stainless Steel NEW


By: 042611 Location: California

2" NPT Class 150 pipe flange machined from solid 304 stainless. The cast steel ones usually aren't super flat and hav...

10 Nov 2020

Views: 218


$160.00

For Sale 6" f/8 Pyrex Mirror uncoated


By: ccaissie Location: 04353

I refigured this full thickness mirror, and will probably not need another 6" f/8, having several fine Newtonians in...

09 Nov 2020

Views: 584


$50.00

For Sale JMI Focuser


By: donsurles Location: delaware

For Sale... a new, in the box JMI NGF-SE focuser.... $50 plus shipping...approx $15 via USPS Priority Mail. this o...

08 Nov 2020

Views: 237


$95.00

For Sale New 4" Air Spaced Multi Coated Objective Lens 18" FL


By: starbird Location: 95409

This is a brand new unused 4" air spaced doublet lens in cell. Focal length is about 18" or F4.5. Lens is multicoate...

05 Nov 2020

Views: 291


$149.00

For Sale JMI Mototrack 3


By: jdburr66 Location: Evergreen Colorado

Bran new Mototrack 3 has been sitting JMI show case for 15 years never used everything checks out. Powered from 12V b...

03 Nov 2020

Views: 130


$120.00

For Sale ADM DSAD-VSAD D series to V series saddle


By: skybill Location: San Diego

Selling an unused ADM DSAD-VSAD D series to V series saddle In perfect condition. Sold the scope I had intended to u...

02 Nov 2020

Updated: 05 Nov 2020

Views: 131

UPDATED
$45.00

For Sale Phenolic knobs and thumbscrews w/nylon inserts (REDUCED)


By: johnlynch Location: Delaplane, Virginia

I'm selling four (4) phenolic knobs with nylons screws with the following specifications: Knob width 1 3/4" Knob dep...

01 Nov 2020

Views: 90


$18.00

For Sale Celestron 8se Lens Cap Dust Cover


By: ROBODOG Location: Ca

This is the lens cap dust cover from an 8se. According to Celestron’s website the cover will also fit the following....

01 Nov 2020

Views: 99


$25.00

For Sale Vintage Edmund secondary 1/8 wave 1.25" ma


By: Sean Cunneen Location: Flossmoor IL

Very vintage, needs coating... 1/8 wave small secondaries are hard to find! original packaging $25 shipped

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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