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[filmscanners] Re: film and scanning vs digital photography



Well, that actually raises another issue.  Silicon will probably never
be as thin as film emulsion, and that is a problem.  It is why lenses
required redesigning, because light that arrives at an obtuse angle to
the CCD/CMOS/whatever sensor has to travel through a fairly thick and
changing thickness of sensor cover.  This leads to problems with color
fringing, distortion, light falloff, defraction, and other aberrations
of light which are pretty much avoided due to the very thin nature of
photo emulsions.

Art

gary wrote:

>One last point here. Film will probably never be as flat as a piece of
>silicon.
>
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