ATM, Optics and DIY Forum
Amateur Telescope Making (ATM) and any do it yourself related activities. Ask questions, discuss and post pictures of telescope related projects, optics, telescopes, observing chairs, etc.
Seems Legit...Posted by Ken Sturrock |
Regarding the War in UkrainePosted by cbwerner |
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3D Printed AstronomyStarted by Gazpacho , 25 Apr 2020  accessories, ATM, DIY, equipment and 1 more...
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Post your Optical Design! (This is a no-discussion thread!)Started by Sean Cunneen , 05 Nov 2019 |
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Post your home made scopeStarted by droid , 22 Jan 2013 |
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Best of ATM and HelpStarted by MMICKELS , 02 Jul 2005 |
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Trying something odd.Started by aandeg , Today, 03:59 PM |
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My 20in f/3 projectStarted by Fivemileshigh , 21 Apr 2023 |
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Orion Optics UK - disheartening "story"Started by Dodde , 31 Jan 2021 optics, astrophotography, DIY and 1 more...
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Has anyone converted a CI700 to Onstep?Started by calypsob , Yesterday, 11:32 AM |
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Condition of secondary on new 8" dobStarted by Chatonka , Yesterday, 04:14 PM |
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PnP Focus: The simplest-ever Arduino focus controllerStarted by anat , 11 Oct 2017 |
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Problems installing PLOPStarted by jpcannavo , Today, 09:23 AM |
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any ultra-compact scopes with truss clamps outside mirror box?Started by symbiosis , Yesterday, 12:22 PM |
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150mm F5 Spherical MirrorStarted by brentelgeuse , 24 Sep 2023 |
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EMS angle calculator?Started by bokemon , 26 Sep 2023 |
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Ross Null software not workingStarted by Pierre Lemay , 26 Sep 2023 |
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Need help with new Barlow lens on RefractorStarted by JSTAR0057 , Yesterday, 07:44 PM |
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32650 vs 38120 - which is a better Lifepo4 Cell?Started by calypsob , 19 Aug 2023 |
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Use old record instead of Lazy SusanStarted by starfinder123123 , 24 Sep 2023 |
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Motor controller with autoguiding capabilityStarted by CrossoverManiac , 26 Sep 2023 |
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can someone PLOP for me?Started by wells_c , Yesterday, 02:24 PM |
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I Need Help Figuring My First Mirror, an 8”f/8Started by ClayDavies , 10 Feb 2022 ATM, Beginner, DIY, Equipment and 2 more...
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recirculating polishing slurry with a pump?Started by GilATM , 22 Sep 2023 |
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Edmund Optics achromat for small refractor?Started by Fivemileshigh , 25 Sep 2023 |
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Fully functional, easy to use, zero gravity bino-chairStarted by dpselinger , 28 May 2023 Binoculars, DIY, Mount
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EQ6/NEQ6 latitude adjust endcapsStarted by Rudi Bjoern , 04 Sep 2023 |
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help-with finishingStarted by mtsaz , 25 Sep 2023 |
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Seeking ideas for "weightless" elevation stage on a tripod (like a parallelogram)Started by bokemon , 16 Sep 2023 |
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9.5" Telescope polishing help.Started by balac , 16 Sep 2023 |
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16" or 18" truss NewtonianStarted by Mitchell Duke , 13 Sep 2023 |
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What did you work on today?Started by Sean Cunneen , 18 Feb 2015 |
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Easy detection and correction of astigmatism in primary mirror makingStarted by Celestial825 , 11 Jun 2023 |
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Celestron and Meade SCT optical differencesStarted by Jaylab , 21 Sep 2023 |
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Are you using an eyepiece projector as a variable barlow?Started by dvijaydev46 , 26 Sep 2023 |
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Mirror Recoating SourcesStarted by aerobob427 , 15 Apr 2023 Reflector, Mirror Making
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front collimation through light baffle?Started by symbiosis , 22 Sep 2023 |
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Thin mirrors are they good?Started by Mitchell Duke , 25 Sep 2023 |
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Spent the last decade learning/working in precision machining and 5 of them I owned telescopes. Just realized I can make telesc...Started by maknswarf , 24 Sep 2023 |
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Meade LXD75 AR-5 2" Focuser recommendationsStarted by Vim Fuego , 26 Sep 2023 |
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Compact 12" f/5Started by symbiosis , 19 Jun 2023 |
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Pinched secondary from flocking?Started by Dan_I , 24 Sep 2023 |
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Celestron sct secondaries, spheres or aspheres?Started by davidc135 , 10 Jun 2022 |
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150mm f16 Stevick-Paul mirror making and buildStarted by hamishbarker , 07 Jun 2023 |
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Shafer Schiefspiegler with Houghton-type corrector?Started by hamishbarker , 09 Sep 2023 |
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8" F14 Cass/RC BuildStarted by Matthew Paul , 19 Nov 2022 |
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PiFinder - Open source, self contained, plate solving finder for DobsStarted by brickbots , 01 Mar 2023 3d printing, Accessories, Visual and 1 more...
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DIY 3D Printed Full GoTo Star Tracker Mount - Powered by OnStepStarted by GuitsBoy , 08 Jun 2022 3d printing, Astrophotography and 2 more...
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Setting focus offset for temp dropStarted by CA_Garcia , 22 Sep 2023 |
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Getting double images when I see through my home made 114/900 reflectorStarted by sanojs , 31 Aug 2023 |
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Question about motorizing my diy dobsonianStarted by alseltas , 21 Sep 2023 ATM, DIY
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Is binocular SA corrected in the objective or eyepieces?Started by Fivemileshigh , 23 Sep 2023 |
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