· Get a Cloudy Nights T-Shirt · Submit a Review / Article    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] Forum Archives · Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Equipment Discussions >> ATM, Optics and DIY Forum Previous   Index   Next   Flat   George Kiger member Reged: 05/19/06 Posts: 29 Re: A new refractor concept       07/01/09 11:32 AM Edit   Reply   Quote   Quick Reply:   Great idea - less CA with higher f/#, so go all the way and make it f/infinity! You then get only the CA of the reducer lens, which is much reduced from the Hypo design. Post Extras       Entire thread Subject Posted by Posted on A new refractor concept Crayfordjon 06/23/09 03:34 AM Re: A new refractor concept Charl   06/27/09 04:56 AM Re: A new refractor concept Gene Baraff   06/27/09 08:58 AM Re: A new refractor concept tim53   06/27/09 09:12 AM Re: A new refractor concept DAVIDG   06/27/09 12:12 PM Re: A new refractor concept Gene Baraff   06/27/09 01:52 PM Re: A new refractor concept Gary Fuchs   06/27/09 02:32 PM Re: A new refractor concept Crayfordjon   06/27/09 02:58 PM Re: A new refractor concept Crayfordjon   06/27/09 03:05 PM Re: A new refractor concept Crayfordjon   06/28/09 01:29 AM Re: A new refractor concept Andy Taylor   06/28/09 04:44 AM Re: A new refractor concept Crayfordjon   06/28/09 05:04 AM Re: A new refractor concept Crayfordjon   06/28/09 05:06 AM Re: A new refractor concept Crayfordjon   06/28/09 05:14 AM Re: A new refractor concept Crayfordjon   06/28/09 05:45 AM Re: A new refractor concept Crayfordjon   06/28/09 05:46 AM Re: A new refractor concept Crayfordjon   06/28/09 05:50 AM Re: A new refractor concept Crayfordjon   06/29/09 04:51 AM Re: A new refractor concept Crayfordjon   06/29/09 05:01 AM Re: A new refractor concept Crayfordjon   06/30/09 02:23 AM Re: A new refractor concept Ed Jones   06/30/09 11:35 AM Re: A new refractor concept Crayfordjon   06/30/09 01:36 PM Re: A new refractor concept Crayfordjon   06/30/09 01:44 PM Re: A new refractor concept Gary Fuchs   06/30/09 02:03 PM Re: A new refractor concept Crayfordjon   06/30/09 01:53 PM Re: A new refractor concept Crayfordjon   06/30/09 02:07 PM Re: A new refractor concept starquake   07/01/09 01:29 AM Re: A new refractor concept Crayfordjon   07/01/09 03:03 AM Re: A new refractor concept Crayfordjon   07/01/09 03:06 AM Re: A new refractor concept Gary Fuchs   07/01/09 11:24 AM Re: A new refractor concept George Kiger   07/01/09 11:32 AM Re: A new refractor concept Gary Fuchs   07/01/09 12:17 PM Re: A new refractor concept Crayfordjon   07/02/09 04:37 AM Re: A new refractor concept Crayfordjon   07/02/09 04:58 AM Re: A new refractor concept Crayfordjon   07/03/09 03:03 AM Re: A new refractor concept Crayfordjon   07/03/09 03:05 AM Re: A new refractor concept Crayfordjon   07/03/09 03:06 AM Re: A new refractor concept Crayfordjon   07/03/09 03:10 AM Re: A new refractor concept Crayfordjon   07/03/09 03:40 AM Re: A new refractor concept nytecam   07/05/09 04:19 AM Re: A new refractor concept arpruss   07/05/09 02:28 PM Re: A new refractor concept Crayfordjon   07/06/09 04:48 AM Re: A new refractor concept arpruss   07/06/09 12:22 PM Re: A new refractor concept Crayfordjon   07/07/09 02:39 AM Re: A new refractor concept Crayfordjon   07/07/09 02:55 AM Re: A new refractor concept arpruss   07/07/09 09:57 AM Re: A new refractor concept Crayfordjon   07/07/09 11:09 AM Re: A new refractor concept Crayfordjon   07/07/09 11:34 AM Re: A new refractor concept Crayfordjon   07/08/09 10:50 AM Re: A new refractor concept nytecam   07/13/09 10:16 AM Re: A new refractor concept Crayfordjon   07/13/09 01:18 PM Re: A new refractor concept Crayfordjon   08/07/09 10:45 AM Re: A new refractor concept Crayfordjon   08/07/09 10:49 AM Re: A new refractor concept Crayfordjon   08/07/09 10:50 AM Re: A new refractor concept Crayfordjon   09/30/09 03:39 AM Re: A new refractor concept Crayfordjon   07/01/09 03:21 AM Re: A new refractor concept Crayfordjon   07/01/09 03:59 AM Re: A new refractor concept Crayfordjon   06/30/09 02:03 PM Re: A new refractor concept starquake   06/30/09 03:26 AM Re: A new refractor concept grendel   06/30/09 04:19 AM Re: A new refractor concept omnivorr   06/30/09 08:43 AM Re: A new refractor concept tim53   06/30/09 10:18 AM Re: A new refractor concept Crayfordjon   06/28/09 01:31 AM Re: A new refractor concept Crayfordjon   06/28/09 01:55 AM Re: A new refractor concept DAVIDG   06/27/09 12:15 PM Re: A new refractor concept DAVIDG   06/27/09 12:22 PM Re: A new refractor concept Crayfordjon   06/27/09 01:37 PM Re: A new refractor concept Crayfordjon   06/27/09 01:49 PM Re: A new refractor concept GJJim   06/27/09 01:32 PM Re: A new refractor concept Gene Baraff   06/25/09 02:17 PM Re: A new refractor concept nytecam   06/24/09 06:13 PM Re: A new refractor concept Crayfordjon   06/25/09 02:43 AM Re: A new refractor concept Crayfordjon   06/25/09 02:50 AM Re: A new refractor concept GJJim   06/25/09 09:11 AM Re: A new refractor concept John Carruthers   06/25/09 03:00 AM Re: A new refractor concept Crayfordjon   06/26/09 08:44 AM Re: A new refractor concept Crayfordjon   06/26/09 09:03 AM Re: A new refractor concept Crayfordjon   06/26/09 09:13 AM Re: A new refractor concept Crayfordjon   06/26/09 09:20 AM Re: A new refractor concept Crayfordjon   06/26/09 09:23 AM Re: A new refractor concept Crayfordjon   06/26/09 10:49 AM Re: A new refractor concept Crayfordjon   06/26/09 10:52 AM Re: A new refractor concept Crayfordjon   06/26/09 11:07 AM Re: A new refractor concept Crayfordjon   06/26/09 11:09 AM Re: A new refractor concept Andy Taylor   06/26/09 12:41 PM Re: A new refractor concept Gene Baraff   06/26/09 01:32 PM Re: A new refractor concept Andy Taylor   06/26/09 01:56 PM Re: A new refractor concept nytecam   06/26/09 01:50 PM Re: A new refractor concept Crayfordjon   06/26/09 11:09 AM Re: A new refractor concept Crayfordjon   06/25/09 03:35 AM Re: A new refractor concept rwiederrich   06/25/09 12:44 PM Re: A new refractor concept Ed Jones   06/25/09 09:21 AM Re: A new refractor concept Crayfordjon   06/25/09 03:19 AM Re: A new refractor concept Crayfordjon   06/25/09 02:53 AM Re: A new refractor concept Crayfordjon   06/25/09 03:06 AM Re: A new refractor concept robboski2004   06/23/09 06:01 PM Re: A new refractor concept Crayfordjon   06/24/09 03:32 AM Re: A new refractor concept Crayfordjon   06/24/09 04:26 AM Re: A new refractor concept Crayfordjon   06/24/09 10:57 AM Re: A new refractor concept rwiederrich   06/24/09 05:58 PM Re: A new refractor concept George Kiger   06/24/09 01:28 PM Re: A new refractor concept DAVIDG   06/24/09 04:24 PM Re: A new refractor concept Gene Baraff   06/25/09 09:40 AM Re: A new refractor concept DAVIDG   06/25/09 10:44 AM Re: A new refractor concept Crayfordjon   06/25/09 12:20 PM Re: A new refractor concept Crayfordjon   06/25/09 01:19 PM Re: A new refractor concept Crayfordjon   06/25/09 01:32 PM Re: A new refractor concept rwiederrich   06/25/09 02:45 PM Re: A new refractor concept DAVIDG   06/25/09 03:32 PM Re: A new refractor concept rwiederrich   06/25/09 05:36 PM Re: A new refractor concept Crayfordjon   06/26/09 02:51 AM Re: A new refractor concept KI4YUN   06/26/09 07:51 PM Re: A new refractor concept Crayfordjon   06/27/09 03:48 AM Re: A new refractor concept grendel   06/27/09 04:13 AM Re: A new refractor concept Crayfordjon   06/26/09 03:10 AM Re: A new refractor concept Crayfordjon   06/26/09 03:21 AM Re: A new refractor concept Crayfordjon   06/26/09 03:25 AM Re: A new refractor concept Dick Parker   06/25/09 04:42 PM Re: A new refractor concept DAVIDG   06/25/09 02:13 PM Re: A new refractor concept Crayfordjon   06/25/09 01:47 PM Re: A new refractor concept Crayfordjon   06/25/09 01:52 PM Re: A new refractor concept Gary Fuchs   06/25/09 02:04 PM Re: A new refractor concept Crayfordjon   06/25/09 01:56 PM Re: A new refractor concept Gary Fuchs   06/25/09 02:19 PM Re: A new refractor concept Crayfordjon   06/25/09 10:22 AM Re: A new refractor concept Gary Fuchs   06/25/09 10:19 AM Re: A new refractor concept Gene Baraff   06/25/09 10:40 AM Re: A new refractor concept DAVIDG   06/24/09 04:26 PM Re: A new refractor concept GJJim   06/24/09 11:27 AM Re: A new refractor concept tim53   06/24/09 01:26 PM Re: A new refractor concept John Kemp   06/23/09 05:15 AM Re: A new refractor concept Crayfordjon   06/23/09 11:11 AM Re: A new refractor concept *DELETED* Crayfordjon   06/23/09 01:23 PM Re: A new refractor concept Crayfordjon   06/23/09 01:27 PM Extra information 5 registered and 8 anonymous users are browsing this forum. Moderator:  Don W, Mike I. Jones  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 3215 Calendar Event: 06/23/09 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 and Intermediate Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   NEO   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 CN Forums Home

Cloudy Nights Sponsor: Astronomics