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   Mirzam member Reged: 04/01/08 Posts: 21 Loc: Lovettsville, VA Re: home made collimating sight tube       05/10/08 12:40 PM Edit   Reply   Quote   Quick Reply:   Hi John, I have used a plastic 35 mm film canister with a hole drilled at the center of the bottom (where there is a small dimple left over from the plastic molding process). These have the same OD as a 1.25 " eyepiece. Jim Post Extras       Entire thread Subject Posted by Posted on home made collimating sight tube jstephany 05/10/08 12:21 PM Re: home made collimating sight tube Mirzam   05/10/08 12:40 PM Re: home made collimating sight tube okiestarman56   05/10/08 05:14 PM Re: home made collimating sight tube wojo   05/10/08 08:11 PM Re: home made collimating sight tube Darenwh   05/10/08 08:31 PM Re: home made collimating sight tube jstephany   05/11/08 05:17 PM Re: home made collimating sight tube jstephany   05/11/08 05:34 PM Re: home made collimating sight tube David L   05/11/08 09:36 PM Re: home made collimating sight tube okiestarman56   05/11/08 11:20 PM Re: home made collimating sight tube Show-me   07/03/08 12:59 PM Re: home made collimating sight tube wojo   07/03/08 08:31 PM Re: home made collimating sight tube tjmck   07/03/08 10:28 PM Re: home made collimating sight tube Tom Andrews   07/05/08 01:56 AM Re: home made collimating sight tube Tom Andrews   07/05/08 01:58 AM Re: home made collimating sight tube Biff   07/05/08 02:35 PM Extra information 9 registered and 4 anonymous users are browsing this forum. Moderator:  Don W, Joe Cipriano  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 847 Jump to *International Year of Astronomy 2009* -----   Global Coordination   Cornerstone Projects   Special Projects   Special Task Groups   Global Activities   National and Regional Activities   IYA 2009 in Africa   IYA 2009 in the USA*Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Beginners Forum   Celestial Events   Light Pollution*Equipment Discussions* -----   ATM, Optics and DIY Forum   Binoculars   Binoviewers   Cats & Casses   Classic Telescopes   Equipment   Eyepieces   Mounts   Observatories   Reflectors   Refractors    Celestron SkyScout and Meade mySky   Video and Electronically Assisted Astronomy*Astrophotography and Sketching* -----   Beginning Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   General Observing   Planetary and Solar System Observing   Lunar Observing   Deep Sky Observing   Double Star Observing   Solar   Variable Star Observing and Radio Astronomy*Telescope Specific Forums* -----   Celestron NexStar    NexStar GPS / CPC Telescopes   Questar Forum   Meade ACF/RCX / LX / GPS    Meade ETX*Other* -----   Science of Astronomy & Space exploration   AstroWebsites   Space Rocks*Speciality Forums* -----   AstroArt   Astronomy Software & Computers   Stellar Media   Astro Outreach, Clubs and Star Parties*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements Home

Cloudy Nights Sponsor: Astronomics