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Re: filmscanners: Minolta Multi Pro
>In a message dated 11/29/2001 5:48:43 PM EST, wincros@earthlink.net writes:
>
>> the Minolta claims 4800 dpi with a 7260 pixels per line CCD.
>> How do they do that?
>
>They move the lens closer to the film when scanning at
>4800 dpi. The lens is farther from the film when scanning
>at 3200 dpi.
>
>> Minolta also does not give
>> the optical resolution on their site for the 2 1/4 film format
>
>Yes, they do. They clearly say it's 3200 dpi.
>
>> What is the Minolta's optical resolution on medium format?
>
>3200 dpi.
>
>The stepper motor can actually move at 9600 dpi, which
>is evenly divisible by both 4800 and 3200.
>
>Regards,
>Ed Hamrick
When the stepper motor moves less than the optical resolution isn't
that just a software interpolation?
--
Winsor Crosby
Long Beach, California
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