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When I take large files from medium format film scans and shrink them to viewable jpeg or thumbnail sizes I lose a lot of the inherent image quality. This is taking files that might start out at say 11,000 x 8,800 pixels and reducing to 600 pixels wide for a web image or 90 pixels wide for a thumb.
I’ve tried the one step approach and also have written actions to do it in 50% increments and in 93% increments, which look better for most images. I’ve also tried re-scanning at 1,000 ppi instead of 4,000 ppi and this works well too, but I want to avoid scanning twice at all costs.
I have two questions …
1) Anyone have any other magic numbers besides 50% and 93% for something like this? Whipping up the action is pretty trivial so I can try different values but life is too short to try all of them :).
2) Anyone aware of a web site that has studied this in some detail in a systematic way? Got a link?
Thanks for any help.
Bill
I’ve tried the one step approach and also have written actions to do it in 50% increments and in 93% increments, which look better for most images. I’ve also tried re-scanning at 1,000 ppi instead of 4,000 ppi and this works well too, but I want to avoid scanning twice at all costs.
I have two questions …
1) Anyone have any other magic numbers besides 50% and 93% for something like this? Whipping up the action is pretty trivial so I can try different values but life is too short to try all of them :).
2) Anyone aware of a web site that has studied this in some detail in a systematic way? Got a link?
Thanks for any help.
Bill
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