Click here if you are having trouble logging into the forums Cloudy Nights - Official Forums of the 2009 International Year of Astronomy Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu.... uh, User   You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Equipment Discussions >> ATM, Optics and DIY Forum Previous   Index   Next   Flat   DAVIDG Pooh-Bah Reged: 12/02/04 Posts: 1458 Loc: Hockessin, De Re: Foucault tester questions       06/23/08 08:07 PM Attachment (64 downloads) Edit   Reply   Quote   Quick Reply:   Bath Interferometers work very well and are easy and inexpensive to make. Here is a picture of mine that cost me under $30 to make and took an afternoon. I wouldn't use it to try to figure a mirror but they work great for determining the final wavefront error. - Dave -------------------- Homemade 'scopes 8"f/7,6" f/5", 6"f/4, 4.25" Schief. 60mm Coronagraph,60mm H-alpha system, 4.25" White-light Solar Newtonian,solar spectroscope, 4.5" f/16 Schupmann Medial refractor, 14 Stellafane awards 7 in optics Engineering = Taking what you have and making what you need. Post Extras       Entire thread Subject Posted by Posted on Test your own mirrors! dave b 05/28/08 02:22 PM Re: Test you own mirrors! Gary Fuchs   05/28/08 09:01 PM Re: Test you own mirrors! Mitchell   05/28/08 10:45 PM Re: Test you own mirrors! Gary Fuchs   05/29/08 11:17 AM Re: Test you own mirrors! Mitchell   05/30/08 08:16 AM Re: Test you own mirrors! ken scharf   05/29/08 12:50 PM LED stuff dave b   05/29/08 02:11 PM Re: LED stuff Alan A.   06/05/08 01:44 AM Re: LED stuff mark cowan   06/05/08 03:18 AM Re: LED stuff Alan A.   06/05/08 11:50 AM Foucault tester questions ken scharf   06/09/08 10:23 AM Re: Foucault tester questions mark cowan   06/09/08 04:02 PM Re: Foucault tester questions Chriske   06/23/08 01:46 AM Re: Foucault tester questions Gary Fuchs   06/23/08 08:57 AM Re: Foucault tester questions mark cowan   06/23/08 06:08 PM Re: Foucault tester questions DAVIDG   06/23/08 08:07 PM Re: Foucault tester questions colinsk   06/24/08 12:41 AM Re: Foucault tester questions DAVIDG   06/24/08 09:54 AM Re: Foucault tester questions mark cowan   06/24/08 04:38 PM Re: Foucault tester questions grinder65   07/03/08 08:52 PM Re: Foucault tester questions grinder65   07/03/08 08:54 PM Re: Foucault tester questions DAVIDG   07/04/08 01:18 AM Re: Foucault tester questions grinder65   07/04/08 09:14 AM Re: Foucault tester questions DAVIDG   07/04/08 10:14 AM Re: Test your own mirrors! Don W   07/04/08 10:17 AM Re: Test your own mirrors! dave b   07/14/08 11:49 PM Re: Test your own mirrors! Gary Fuchs   09/28/08 08:12 PM Re: Test your own mirrors! Biff   09/28/08 08:43 PM Re: Test your own mirrors! Gary Fuchs   09/29/08 09:40 AM Re: Test your own mirrors! Biff   09/30/08 11:35 PM Re: Test your own mirrors! Gary Fuchs   10/01/08 03:56 PM Re: Test your own mirrors! Mark Harry   10/02/08 08:35 AM Re: Test your own mirrors! Spoonsize   09/30/08 12:21 PM Re: LED stuff Mark Harry   06/05/08 06:47 AM more LED stuff dave b   05/29/08 02:21 PM Re: LED stuff ken scharf   05/29/08 02:14 PM Re: LED stuff Gary Fuchs   05/29/08 02:33 PM Re: Test you own mirrors! The bear   05/28/08 09:38 PM Re: Test you own mirrors! RS67Man   05/28/08 09:37 PM Re: Test you own mirrors! rwiederrich   05/28/08 08:17 PM Re: Test you own mirrors! rwiederrich   05/28/08 08:19 PM Re: Test you own mirrors! Mitchell   05/28/08 08:33 PM Re: Test you own mirrors! The bear   05/28/08 08:41 PM Re: Test you own mirrors! Jarad   05/28/08 03:23 PM Re: Test you own mirrors! The bear   05/28/08 04:08 PM Re: Test you own mirrors! ken scharf   05/28/08 04:21 PM Re: Test you own mirrors! Mitchell   05/28/08 04:59 PM Re: Test you own mirrors! Sean Cunneen   05/28/08 05:25 PM Re: Test you own mirrors! wirenut   05/28/08 07:39 PM Re: Test you own mirrors! dave b   05/28/08 10:49 PM Re: Test you own mirrors! yosemitesamiam   11/03/08 12:27 PM Re: Test you own mirrors! DAVIDG   11/03/08 08:43 PM Re: Test you own mirrors! Biff   11/03/08 09:09 PM Re: Test you own mirrors! yosemitesamiam   11/04/08 12:01 AM Re: Test you own mirrors! yosemitesamiam   11/04/08 12:06 AM Re: Test you own mirrors! mark cowan   11/04/08 12:23 AM Re: Test you own mirrors! yosemitesamiam   11/04/08 01:06 AM Re: Test you own mirrors! yosemitesamiam   11/04/08 02:02 AM Re: Test you own mirrors! madrian   11/06/08 07:58 PM Re: Test you own mirrors! yosemitesamiam   11/09/08 12:40 AM Re: Test you own mirrors! Biff   11/06/08 02:03 PM Re: Test you own mirrors! madrian   11/03/08 08:02 PM Re: Test you own mirrors! greenglass   11/03/08 06:54 PM Re: Test you own mirrors! yosemitesamiam   11/03/08 11:21 AM Re: Test you own mirrors! ken scharf   05/29/08 08:11 AM Re: Test you own mirrors! Darren Drake   05/29/08 08:45 AM Re: Test you own mirrors! Mitchell   05/29/08 09:08 AM Re: Test you own mirrors! Chriske   05/29/08 11:07 AM Re: Test you own mirrors! mark cowan   05/30/08 01:56 AM Re: Test you own mirrors! Chriske   05/30/08 10:56 AM Re: Test you own mirrors! mark cowan   05/31/08 08:11 AM Re: Test you own mirrors! ken scharf   05/30/08 11:07 AM Re: Test you own mirrors! half meter   05/30/08 07:07 PM Re: Test you own mirrors! mark cowan   05/31/08 08:13 AM Re: Test you own mirrors! Chriske   05/31/08 08:17 AM Re: Test you own mirrors! Gary Fuchs   05/31/08 10:48 AM Re: Test you own mirrors! ken scharf   05/31/08 11:22 AM Re: Test you own mirrors! half meter   05/31/08 02:49 PM Re: Test you own mirrors! Mitchell   05/29/08 11:04 PM Re: Test you own mirrors! rwiederrich   05/29/08 02:59 PM Re: Test you own mirrors! The bear   05/29/08 09:02 PM Re: Test you own mirrors! jcham21   05/29/08 09:20 AM Re: Test you own mirrors! greenglass   05/29/08 10:16 AM Re: Test you own mirrors! Don W   05/29/08 10:28 AM Re: Test you own mirrors! The bear   05/29/08 12:26 AM Re: Test you own mirrors! dave b   05/29/08 01:24 AM Re: Test you own mirrors! The bear   05/29/08 12:22 AM Re: Test you own mirrors! The bear   05/28/08 07:46 PM Re: Test you own mirrors! jcham21   05/28/08 08:33 PM Re: Test you own mirrors! Mitchell   05/28/08 10:51 PM Re: Test you own mirrors! The bear   05/28/08 07:17 PM Re: Test you own mirrors! ken scharf   05/28/08 07:34 PM Extra information 7 registered and 5 anonymous users are browsing this forum. 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