[filmscanners] RE: Suggestions for scanning 4x5 transparencies

["Paul D. DeRocco" <pderocco@ix.netcom.com>]

> Stan wrote:
>
> I printed a small area from the same digital image at 360 and at 400
> dpi.
>
> http://www.tallgrassimages.com/test/test_360_vs_400.jpg
>
> The "400" was not resampled from the original 4000 dpi. This is a
> snippet. The "360" was bicubic resampled in PS7 before going to the
> printer. The difference in size is just a slight error in snipping.
>
> Under the loupe, I can't see any difference in detail or in the
> patterns within the azalea petals.

Just as I'd expect. There is no coherent, regular repetetive detail at high
spatial frequencies to create moire patterns. It shows how aliasing isn't an
issue most of the time.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@ix.netcom.com

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