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Wolfboy
25th of July 2003 (Fri), 09:36
A photo library I wish to submit work to, requires at least a 48MB, 8 bit tiff file for each transparency. They are not keen on interpolation, and prefer scanning at optical resolution.

I have been looking at the canon 8000f, which has a resolution of 2400. Will this be able to produce a file of 48MB?

Regards

wolfboy

stopbath
25th of July 2003 (Fri), 11:41
To find the size, multiply the dpi by width and height of transparency (dpi x width x dpi x height) then multiply by the bits per pixel.

This gives you the bits required. Divide by 8 for the bytes. Divide by 1048576 for the megs.

So a 2 and a quarter transparency at 8 bit pixels is 29 megs. at 24 bit colour (instead of grey scale) it's 87 megs.