On a funny note, it is 2/3 or sometimes 5/8 because this is a _pleasureable_ ratio
from greek times on. The golden section press. :))
rgds,
Miha.
> -----Original Message-----
> From: Fisher, Richard G. [mailto:[EMAIL PROTECTED]
> Currently most 35 mm compatible have a sensor with roughly a
> 2 to 3 ratio.
> Is there any reason why this ratio must be (should be)
> preserved? If the
> image circle is truly a "circle" then a square sensor could
> be used. Am I
> missing something, or is there an opportunity for image sizes?
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