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Re: 35mm slides to digital images


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Posted by kd on August 31, 2005 at 15:24:14:

In Reply to: 35mm slides to digital images posted by Second Fiddle on August 30, 2005 at 10:03:53:

I have a two year old Canon FS 4000 that is slow but I am happy with.

The new rage are the cheaper Konica scanners that are very well reviewed by the photo mags. Like the
Konica - Minolta DiMAGE Scan Dual IV, 3200
about 200 + bucks. try adorama.

You'll load up a hard disk space pretty fast.

at 4000 dpi a 35 mm slide has 6K x 4K = 24000000 pixels

each pixel has three bytes of info for 8 bit (3 color channels rgb) resolution

The scanners can be pushed to 16 bit resolution.

My thought is that slide film has about 4000 dpi resolution and maybe 12 bit resolution.

Thus expect each scanned slide to be over 50 Mbytes file size at 8 bit and over a 100Mb possible per image at 16 bit res.

No wonder it takes an acre or more of high end servers to render professional CG movies.

kd



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