At 11:58 PM 3/15/2009, Moose wrote:
><snip> I wrote:
>> But the important thing to remember is that the scanner sampling required is
>> more related to the grain structure of the film than the image resolution.
>> So I always sample as high as possible and use post processing to down
>> sample to avoid enhancing the grain, especially if the grain is very fine.
>> It may be that some scanners have less of a problem, and that is probably
>> due to the optics in the scanner providing some anti-aliasing.
>>
>
>As above, practical experience has shown me that such is not always the
>case with older MF films.
If you know what the grain frequency is, then certainly you can optimize for
that, especially if scan time is a cost. Still it is the grain structure, not
the camera resolution, that matters. However, I wonder if having a soft camera
lens modifies they way the grain in the film forms?
WayneS
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