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 >> Eyepieces Previous   Index   Next   Flat   Bob Myler member Reged: 05/18/06 Posts: 53 Re: Orion's new 5 element Barlows...       08/07/08 05:36 PM Edit   Reply   Quote   Quick Reply:   Despite the best of coatings, when I combine a 7-element teleconverter with a 17-element ED zoom lens (48 lens surfaces!), daytime contrast is degraded significantly...how much more so would the effect be noticeable at night? Post Extras       Entire thread Subject Posted by Posted on Orion's new 5 element Barlows... Jan Owen 08/06/08 07:48 PM Re: Orion's new 5 element Barlows... Clive Gibbons   08/07/08 02:11 PM Re: Orion's new 5 element Barlows... NGC6144   08/07/08 04:05 PM Re: Orion's new 5 element Barlows... Deep13   08/07/08 04:08 PM Re: Orion's new 5 element Barlows... David E   11/03/08 08:34 AM Re: Orion's new 5 element Barlows... kfred   11/04/08 03:38 AM Re: Orion's new 5 element Barlows... Bob Myler   08/07/08 05:36 PM Re: Orion's new 5 element Barlows... Lawrence Sayre   08/08/08 05:29 AM Re: Orion's new 5 element Barlows... Lawrence Sayre   11/02/08 09:56 AM Re: Orion's new 5 element Barlows... Tom Trusock   08/06/08 07:49 PM Re: Orion's new 5 element Barlows... Jan Owen   08/06/08 08:11 PM Re: Orion's new 5 element Barlows... Lawrence Sayre   08/06/08 08:19 PM Re: Orion's new 5 element Barlows... Lawrence Sayre   08/06/08 08:06 PM Re: Orion's new 5 element Barlows... cuir   08/06/08 08:24 PM Re: Orion's new 5 element Barlows... Lawrence Sayre   08/06/08 09:19 PM Re: Orion's new 5 element Barlows... ccs_hello   08/06/08 11:16 PM Re: Orion's new 5 element Barlows... GlennLeDrew   08/06/08 11:44 PM Re: Orion's new 5 element Barlows... David E   11/03/08 08:24 AM Re: Orion's new 5 element Barlows... BillP   11/02/08 12:25 PM Re: Orion's new 5 element Barlows... Starman1701   11/03/08 08:02 AM Re: Orion's new 5 element Barlows... Brooklyn   08/07/08 12:03 AM Re: Orion's new 5 element Barlows... David E   08/07/08 10:01 AM Re: Orion's new 5 element Barlows... naglertized   08/07/08 06:37 AM Re: Orion's new 5 element Barlows... sabir   08/07/08 08:31 AM Re: Orion's new 5 element Barlows... David E   08/07/08 10:03 AM Re: Orion's new 5 element Barlows... Lawrence Sayre   08/06/08 08:29 PM Re: Orion's new 5 element Barlows... Lawrence Sayre   08/06/08 08:45 PM Extra information 5 registered and 8 anonymous users are browsing this forum. Moderator:  Greg K., Jason B, csa/montana  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 1075 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

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