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Improve the quality of printed iPhoto books
While I haven't tried this (although I want to) I am a graphic designer and know a thing or two about printing images. Apple touts these books are being beautiful, so it surprised me to read this. If anything, it would make sense for the smaller books to have 150dpi (since they are smaller it wouldn't be as noticeable, and since the pictures are smaller they wouldn't need as many dpi to be quality). But if you are blowing up images to fill pages, you need as many dots per inch as possible!
Improve the quality of printed iPhoto books
Actually, if the pictures were smaller, a lower DPI would be more noticeable. Consider that if you use 300 dpi for an image that's 4 inches across, and 150 dpi for an image that's 2 inches across, the smaller image would have 1/4 the area but only 1/16 of the number of pixels! In short, you'd be looking more closely at a smaller picture (possibly squinting), but could lean back a bit to see the larger picture. So it makes sense that one would want a larger DPI on smaller pictures -- for visual acuity in the book, and bandwidth constaints for Apple. I agree with the hint, though: 300 dpi is the minimum at which anyone would want to print their pictures.
Improve the quality of printed iPhoto books
The mathematical me won't let that lie... :-)
Improve the quality of printed iPhoto books
Well, I would want to have more detail in the smaller print as I am going to look at it from much closer distance then a big print. |
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