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Old 28-09-2007, 10:36 PM
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bkm2304 (Richard Brown)
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How do I figure FOV for my camera?

Hi All,

I have a Nikon D40 Digital SLR and I want to know how I can claculate FOV for any given telescope I might want to attach it to. Any method available to do this?

thanks

Richard
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Old 28-09-2007, 10:42 PM
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citivolus (Ric)
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CCD Calculator:

http://www.newastro.com/newastro/boo...camera_app.asp



You'll need to know your pixel size and max resolution, as that camera isn't in its database. 7.9x7.8 micron (roughly), 3008x2000 pixels.

Last edited by citivolus; 28-09-2007 at 10:50 PM. Reason: More info...
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Old 29-09-2007, 08:32 AM
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[1ponders] (Paul)
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As citivolus says the Astrocalculator is the way to go. I would be lost without it.

or you can use this forumula

width of FOV= w/F x 3438 arcmin

where w = the width of your chip in mm, F = the focal length of you scope in millimeters

height of FOV = h/F X3438 arcmin

where h= height of chip im mm.
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Old 30-09-2007, 04:01 PM
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Omaroo (Chris Malikoff)
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Richard - I find this page quite good:

http://www.gabrielditu.com/astronomy...calculator.asp

Cheers
Chris
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