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Before I comment on the how, for your own protection, you should make sure your friend has permission to reproduce this image from any copyright owner who might exist for it, especially since it is going to be reproduced in a obvious publicly accessible document. Unless your friend has received the permission, has paid a fee, or the image is now in the public domain, you could be considered in a law suit as providing a service which violated the copyright. The scanning process itself on behalf of a client can be an actionable event. Kinko's copier service was sued in just such a situation. Art David J. Bookbinder wrote: > NOTE: I'm cross-posting to the DigitalBlackandWhite and the Scan lists. > > A friend of mine has asked me to scan an old postcard she will be using on a > book cover. The postcard is in black and white, on time-yellowed stock. It > will be positioned at a roughly 30% angle from horizontal on the book cover. > The service bureau wants a 300dpi TIFF file, and they are using a 150 line > screen. I'm wondering: > > 1. Do I need to take into account the dot pattern of the postcard somehow, > and if so, how? > 2. Am I better off scanning the postcard at the approximate angle at which > it will be printed, or rotating it in photoshop? > 3. Am I better off trying to adjust for the yellowing in the scanning > process, or do that later in Photoshop? And, if the latter, am I better off > scanning in RGB so I can selectively remove or lighten the color before > turning the image into black and white? > 4. How much sharpening should I apply to this image before I hand it back to > my friend? I normally output to inkjet printers, and they seem to require > almost no sharpening, but everything I've read indicates this is not the > case with press work. > > Sorry if these are obvious questions, but this is not normally what I do > with images, so it's something of a mystery to me. > > TIA - > > More anon, > - David > David J. Bookbinder [firstname.lastname@example.org] > - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions.