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     áòèé÷ :: Filmscanners
Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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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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