You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Astrophotography and Sketching >> Solar System Imaging & Processing Previous   Index   Next   Threaded   Pages: 1 Patrick Postmaster Reged: 05/16/03 Posts: 6789 Loc: Franklin, Ohio Pixel Size, Focal Length, and Aperture       #2558656 - 08/04/08 12:28 AM Edit   Reply   Quote Quick Reply   Can anyone tell me how to calculate what aperture and focal length I should be using with any given camera's pixel size? For example, I have a 6" SCT with a native focal length of 1524mm and a Phillips SPC900N which I believe has a pixel size of 5.6 microns. What focal length should I be shooting at? Formulas would be great. Thanks! Patrick -------------------- Discovery 10" f/6 Split Tube Dob Celestron C6 SCT Denk Binoviewers AT66ED Refractor Oberwerk Ultra 15x70 Binocular 475B Geared Tripod & 501HDV Head Oberwerk 9x60 Binocular Celestron Regal 8x42 Binocular Canon 30D DSLR Mini EQ1 My Astronomy Pages Post Extras:       Pages: 1 Previous   Index   Next   Threaded   Extra information 4 registered and 7 anonymous users are browsing this forum. Moderator:  Charlie Hein, knuklhdastnmr  Print Thread Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Thread views: 58 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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