Digital BW, The Print

That's not interpolation, it's just that a printer uses more than one dpi to
make a ppi.  Your print still has just 220 ppi.

----- Original Message ----- 
From: "Mark Hahn" <markhahn2000@...>

> I find that I generally need at minimu 220ppi original image data to
> get a good b&w print... with certain images and interpolation and
> processing I can sometimes get away with much less.  300ppi seems
> unquestionably good.  The Epson printer driver then interpolates up
> to 720 so there might be something to sticking to fractions of that
> or interpolating up to 720... but in the casual experiments I've done
> using different interpolation schemes I have't seen any *real*
> improvement which makes it worth the time (do the math... you can end
> up with some huge files)... but others disagree.
>
> mark



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