> Just to qualify, I shoot RAW and when I knew the image was going to DPS,
> converted to 16 bit tiff and up-ressed before any other
> processing. I would
> use PS7 bicubic in 20 percent increments.

Going RAW never hurts, as we all know it gives you the absolute most
versatility and allows you the most amount of details to start working from.

As for up-resolution, I would suggest a smaller increments to minimize the
big jumps, perhaps 5% which is what I use, if you set up an action
associated to an F-key in Photoshop then you can up convert to the final
resolution required very quickly, a couple of the Photoshop books and
courses I've been to all suggested applying many successive small increments
rather than large increments to the final resolution.

I've routinely print a file from the 1D Mk 2 to 24x30 size prints without
apparent loss of details, so a two page spread shouldn't be that much of an
issue, that is unless you start to crop heavily from the original file, even
resizing technique and the best interpolation software can't create
something from nothing.

Ken

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