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   Threaded   Pages: 1 | 2 | 3 | 4 | 5 | (show all) RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Ron Ravneberg Memorial Scope Gallery       #2081655 - 12/29/07 03:52 PM Edit   Reply   Quote Quick Reply   It's not my normal style to create a gallery of my work, but several people have asked, so here are some images of some of the telescopes I've put together over the years. I won't include a lot of detail on any of them, but if you have questions, please ask. If anyone can get some ideas of things to do (or not do) from these examples, so much the better. Edited by Don W (09/12/09 10:08 PM) Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081657 - 12/29/07 03:53 PM Attachment (583 downloads) Edit   Reply   Quote Quick Reply   4.5" f/15 Refractor -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081659 - 12/29/07 03:54 PM Attachment (347 downloads) Edit   Reply   Quote Quick Reply   Another view ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081661 - 12/29/07 03:55 PM Attachment (245 downloads) Edit   Reply   Quote Quick Reply   And another ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081663 - 12/29/07 03:55 PM Attachment (248 downloads) Edit   Reply   Quote Quick Reply   And a final ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081664 - 12/29/07 03:56 PM Attachment (357 downloads) Edit   Reply   Quote Quick Reply   4.1" f/4.2 RFT -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081667 - 12/29/07 03:57 PM Attachment (273 downloads) Edit   Reply   Quote Quick Reply   And another mounted on a small Dob mount ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081670 - 12/29/07 03:58 PM Attachment (391 downloads) Edit   Reply   Quote Quick Reply   10" f/5 Dobsonian -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081673 - 12/29/07 03:59 PM Attachment (251 downloads) Edit   Reply   Quote Quick Reply   Another, showing curved secondary support/light shield ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081677 - 12/29/07 04:01 PM Attachment (195 downloads) Edit   Reply   Quote Quick Reply   Encoder side ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081681 - 12/29/07 04:01 PM Attachment (138 downloads) Edit   Reply   Quote Quick Reply   Other side ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081683 - 12/29/07 04:02 PM Attachment (350 downloads) Edit   Reply   Quote Quick Reply   8" f/4.3 "Alice" -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081685 - 12/29/07 04:03 PM Attachment (184 downloads) Edit   Reply   Quote Quick Reply   Alice ready to travel ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081686 - 12/29/07 04:04 PM Attachment (270 downloads) Edit   Reply   Quote Quick Reply   6" f/6.8 Dobsonian -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081688 - 12/29/07 04:05 PM Attachment (140 downloads) Edit   Reply   Quote Quick Reply   Same, with front cover and integrated solar filter (automatically covers the finder) ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081690 - 12/29/07 04:06 PM Attachment (304 downloads) Edit   Reply   Quote Quick Reply   10" f/5.6 (one of six I made) ... -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081693 - 12/29/07 04:07 PM Attachment (287 downloads) Edit   Reply   Quote Quick Reply   8" f/5 "Brutus" -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081695 - 12/29/07 04:08 PM Attachment (338 downloads) Edit   Reply   Quote Quick Reply   17.5" f/4.4 (1980s) -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081698 - 12/29/07 04:09 PM Attachment (259 downloads) Edit   Reply   Quote Quick Reply   Restored 2.4" Merz Refractor -------------------- Ron Ravneberg Post Extras:       RRavneberg professor emeritus Reged: 12/02/05 Posts: 634 Loc: Columbus, OH Re: Ravneberg Scope Gallery [Re: RRavneberg]       #2081703 - 12/29/07 04:11 PM Attachment (294 downloads) Edit   Reply   Quote Quick Reply   Fauth 4" f/15 I restored -------------------- Ron Ravneberg Post Extras:       Pages: 1 | 2 | 3 | 4 | 5 | (show all) Previous   Index   Next   Threaded   Extra information 8 registered and 7 anonymous users are browsing this forum. 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