Thread: Reduction of F#
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Old 27-05-2009, 01:08 PM
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Terry B
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Quote:
Originally Posted by bmitchell82 View Post
mmm im guessing so, but then again you look at camera lens's, they don't change the glass, they only change the aperature and focal length. but i guess thats the key, to change the focal length. oh well. ill just have to wait till curtin gets the polar wedge and a guide scope to run high res photos.
Yes you need to change the focal length. Reducing the aperture of the scope just reduces the light capture and also the resolution as resolution is proportional to diameter.(with a few caveates as seeing becomes involved as well)
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