> I had it 'digitized' at a local printer's, and they maynot
> have known what they were doing. I told them I would
> 'emailing it', but they made it 25MB large, Is this too big
> for a .pdf? (It's only a 30 page booklet.
Certainly too large to email !
But not unusual at all for a PDF that is a scan (actually pretty good). The
problem is that each page winds up being a large graphic image, and graphic
images take up a lot of space. For example, scanning an 8.5 by 11" page at
300 dpi results in over 8 million pixels. Even if each pixel only takes one
byte (in monochrome), that's over 8 Mb per page ! Of course compression can
knock that down, but 8:1 compression is very good, and that still leaves you
with 1 Mb/page.
The best solution is to run the text through OCR (Optical Character
Resolution) and only keep the images as images. But, that takes a whole LOT
of work (resulting text has to be proof-read, corrected, formatted, linked
to images, etc.) and is far outside the scope of just scanning a document.
I went through it with the A-type service manual, and managed to turn a 32
page document into a 2.6 Mb PDF. But I won't be doing it again any time
soon !
Randall
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