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Old 25-04-2012, 06:53 AM
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avandonk
avandonk

avandonk is offline
 
Join Date: Aug 2005
Location: Melbourne
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Have a look here John

http://www.clarkvision.com/articles/...yth/index.html


This bloke Roger Clark knows what he is talking about and explains things very clearly. In fact his whole site is a mine of information.

One of the references he gives is also worth a look.

http://www.stanmooreastro.com/f_ratio_myth.htm



It seems the f-ratio myth was really due to the reciprocity failure of film. It just does not apply as much to modern detectors that have a far wider integration time than film.


Bert

Last edited by avandonk; 25-04-2012 at 07:16 AM.
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