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Old 05-04-2008, 05:55 PM   #2
Howard Allen
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Quote:
Originally Posted by iamback View Post
I've been doing experiments with scanning 3d-objects on a flatbed scanner. I was surprised there was quite a range within which an object is still reasonably sharp, and I imagine that range would vary by brand of scanner.
I imagine it's quite possible a distance of 1-2 centimeters off the surface of the glass plate could cause the kind of distortion here and still not be totally out of focus.
If you want some inspiration, check out the breathtaking scans by Dawn Campbell.

You're right that the range of focus varies with the brand of scanner. With my Canon LiDE scanner, anything that isn't actually touching the glass is hopelessly out of focus. I've been meaning to try this on my old Linotype-Hell SCSI scanner, but can't find my round tuit.

   
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