ATM Parts and Such

Today, 02:51 PM
Views: 28
$13.00
For Sale DC GearHead Motor
DC GearHead Motor This one is listed as 6 vdc and around 10 rpm. Works well at other voltages too. The shaft size is...

Today, 02:48 PM
Views: 13
$15.00
For Sale DC GearHead Motor
DC GearHead Motor This one is listed as 24vdc and 2 rpm. Works well at lower voltages too. The shaft size is 6mm Grea...

Today, 02:38 PM
Views: 19
$15.00
For Sale General Time Motor
General Time Motor 1/15RPM 220vac Motor Originally for the Edmund Mount. The shaft size is 3/16" in diameter. Never u...

Today, 02:10 PM
Views: 114
$90.00
For Sale ADM Counterweight system for Alt Az mounts
Originally used on a Celestron 9.25 SCT Telescope Weight is 3.5 Lbs., (1.59 KG)

Today, 01:35 PM
Views: 39
$1.00
Wanted Finder bracket for a ATCO 1254, or similar scopes.
I am trying to find a finder and/or bracket to use on the restoration of an ATCO 1254, 80mm x 1200mm scope. It is a 6...

Today, 01:00 AM
Views: 75
$20.00
For Sale Optica B/c 1" Minor Axis Diagonal with holder and spider
This is an optica B/c secondary assembly from a Japanese 4" F10 reflector telescope. It includes the 1" or so minor...

Yesterday, 08:20 PM
Views: 247
$240.00
For Sale 12 f4 spherical mirror
12 f4 spherical Pyrex mirror bought this to make a fast newt for NV but ended up with a 16 f4.5. This is a fully po...

Yesterday, 10:46 AM
Views: 187
$900.00
For Sale Stellercat
Goto system and tracking. Asking price is $900.00 plus shipping

21 Jan 2021
Views: 89
$1.00
Wanted 28" mirror blank
Hi. I'm looking for a 28" mirror blank for an ambitious ATM project. I will consider slightly smaller or larger, pref...

21 Jan 2021
Views: 125
$26.00
For Sale 1.5" Secondary Mirror, Pyrex
From an old Optical Craftsman or Cave. Good shape though coating is a bit worn. $26 shipped CONUS/AK/HI.

20 Jan 2021
Views: 364
$200.00
For Sale Leftovers from 10" dob
I converted my 10" Antares dob into a lightweight portable dob, so now I have the leftovers which I would like to sel...

20 Jan 2021
Views: 46
$40.00
Wanted Wanted: 1.5" / 38mm secondary mirror
I need a 1.5" / 38mm secondary mirror for my 8" scope. If you happen to have something a bit bigger/smaller, still d...

19 Jan 2021
Views: 144
$32.00
For Sale 70mm x 280mm Cemented Achromat
70mm x 280mm Cemented Achromat Lenses are Multi-Coated and includes the Cell/Tube and Lens Cover. $32.00 shipped in C...

19 Jan 2021
Views: 81
$40.00
For Sale 4" f/11.27 Primary Mirror
4" f/11.27 Primary Mirror The focal length is 1150mm. The mirror is made of Pyrex. and is probably spherical but, tha...

19 Jan 2021
Views: 177
$32.00
For Sale University Optics Mirror Cell Kit
University Optics Mirror Cell Kit This was designed for 4 1/4" Mirrors. Other smaller sizes could be used if shimmed....

17 Jan 2021
Views: 289
$135.00
For Sale Mel Bartels / BBAstroDesigns drive system - extra motors
Mel Bartels drive system All you should need is an old, low end laptop and you are good to go One set of motors is...

17 Jan 2021
Updated: 18 Jan 2021
Views: 229
$40.00
For Sale Drive motors, parts
Sets of motors and gearsPics 1-3 - a Hurst 60hz 3002-001 motor with a power plug, mounted on wooden board, with match...

17 Jan 2021
Views: 84
$65.00
For Sale Astrosystems 5” Diagonal Holder
Astrosystems 5” diagonal mirror holder New and never used

17 Jan 2021
Views: 31
$15.00
For Sale Cog Belts and Gears
Cog Belts and Gears Includes two each belts and gears. Ideal for 1/4" shafts or smaller if bushings are used. Great f...

17 Jan 2021
Views: 228
$55.00
For Sale GE Audy 8" Primary Cell GORGEOUS and Spider
I have a GORGEOUS 8" primary cell for a 9.25" tube. His machining is lovely. 9 point flotation. $55 includes shipping...

17 Jan 2021
Views: 87
$50.00
For Sale Parallax 3" ID Tube Rings, e.g. TV-85 or TV-76
These 3" ID Parallax tube rings fit the Tele Vue TV-76 and TV-85. CONUS PayPal please. Buyer Pays shipping, will sh...

17 Jan 2021
Views: 207
$50.00
For Sale ATM Lightweight 50 x 15 RACI Finder $50 shipped
ATM finder from ABS with Orion Erect & Correct Diagonal and Chinese Aspheric eyepiece 23mm x 62• . Very lightweig...

15 Jan 2021
Views: 200
$150.00
For Sale Cen-Tech Digital Spherometer 0-1 by 0.0005
Selling one of my spherometers. I've had this one a while but its still in great shape and keeps a solid accurate rea...

15 Jan 2021
Updated: 15 Jan 2021
Views: 100
$20.00
For Sale Elliptical secondary diagonal mirror 50mm/~2in
Unused secondary diagonal I had originally purchased for a 10in F/5 ATM project almost 15yrs ago. I am hoping it is u...

14 Jan 2021
Updated: 18 Jan 2021
Views: 91
$110.00
For Sale 155 mm finder scope rings
Rings, screws, base plate, picture says it all, either a 7 inch D plate or a vixen style bar or both, pay pal and con...