Scanner focus

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iancc
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Posts: 2
Joined: Tue Oct 23, 2012 9:30 pm
Scanner: epson 3200 photo
epson 750
SilverFast Product: Ai Studio

Scanner focus

Postby iancc » Tue Oct 23, 2012 10:25 pm

I have used three Epson scanners - 3200 photo, 750 photo and one which was called 4950? (i'm not sure about the name of the last one, and it is long gone so I can't check)
All of them have been out of focus when scanning transparencies! The 750 has adjustable feet to raise the transparency carrier, but the others I have had to resort to bits of card under the corners of the carrier. The 3200 that I still use at home needs approx 750 microns under it (about 10 sheets of paper) The 750 needs nearly 2mm!
This seems to true of epson scanners - I wonder if it is true of other brands?
I've attached an image showing the before and after using the 3200. These images were scanned at 1000 percent from a colour negative and have not been adjusted or sharpened at all.
The difference in the Epson 750 was much, much worse (I will try and upload a before and after from that soon) hence the need for 2mm of adjustment.
I would be interested to know if this has happened to others.
Attachments
yellow ferrari interior.jpg
whole image showing context for detailed samples
yellow ferrari interior.jpg (122.07 KiB) Viewed 1816 times
focus sample.jpg
showing result with neg just in carrier on left and on right the result after raising the carrier.
focus sample.jpg (84.97 KiB) Viewed 1816 times

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