Originally Posted by
Dominique Labrosse
Capocheny,
In terms of B&W it breaks down like this...
8 bit B&W has 256 levels of grey (including black and white) which is about what the human eye and brain can work out. 16 bit B&W has a lot more than that (were talking tens of thousands here).
If you plan on printing a scan without manipulating the file then there is no reason to go 16 bit. If however you want to move tonal values around in Photoshop before you print it is better to have a 16 bit scan done. This way you have less of a risk of posterization.
Once you are happy with how your 16 bit file looks then convert it down to 8-bit and save a version to send to the lab.
By the way. Who is scanning and printing your work these days?
Regards,
DL
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