Anthony wrote:
>Rob writes:
>> The printers demand 300dpi ...
> They may demand it, but they don't need it. That's
> around 200 lpi for printing, and virtually no one is
> printing with screens that fine. Even good magazines
> are at around 150 lpi, as far as I know.
I thought the lpi was half the dpi because you need at
least two pixels to make a difference like the nyquist
limit in audio? :-7 So the lpi of 300dpi would be 150?
>> ... and scanning at 2700ppi off 35mm film won't
>> give 300dpi printed at much more than A4, especially
>> if you have to crop.
> How many photos are printed at A4 size, though?
A full front cover on a magazine is close! But for magazine
purposes, larger than A4 is unlikely to be needed - again it
depends on how much you have to crop.
Rob
Rob Geraghty harper@wordweb.com
http://wordweb.com