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I tested an 18mb grayscale file (12 x 18). Using the Convert to PDF Command in Acrobat, the file came down to less than 400k (at 300 dpi). I then used the built in optimizer in Acrobat, further reducing the file size to around 100k (at 150 dpi). The initial PDF conversion took 10-15 seconds; and the optimization took 2 seconds. I maintained the file in grayscale mode (which provides better quality of there are tones), and eliminates dither. If the CAD drawings have no tone, they can be scanned in black and white to begin with...and the file sizes will be smaller yet. Rich -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Maxim Khesin Sent: Wednesday, January 07, 2004 1:20 PM To: [EMAIL PROTECTED] Subject: Re: [PDF-Basics] scanned imports too big PDF-Basics is a service provided by PDFzone.com | http://www.pdfzone.com/ __________________________________________________________________ Hi Rich, Rich Sprague wrote: > However, it took me only two seconds (of processing time), to compress > the aforementioned PDF file using Acrobat. I am not sure which 'aforementioned' file is. Maybe I missed a part of this thread. Anyway, my CAD files were large, (actually larger than the 3M files Bob mentioned - mine were about 10-13M apiece, which is quite normal for CAD) and had lots of dither. Unfortunately I cannot share due to legal paranoia... > Rich To change your subscription: http://www.pdfzone.com/discussions/lists-pdfbasics.html To change your subscription: http://www.pdfzone.com/discussions/lists-pdfbasics.html
