Apache-Talk @lexa.ru 

Inet-Admins @info.east.ru 

Filmscanners @halftone.co.uk 

Security-alerts @yandex-team.ru 

nginx-ru @sysoev.ru 




      :: Filmscanners
Filmscanners mailing list archive (filmscanners@halftone.co.uk)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: filmscanners: 35mm filmscanner choice

On Sun, 29 Jul 2001 19:38:14 -0400  Mike Duncan (mgduncan@esper.com) wrote:

> ppi is sampling rate.  Under ideal conditions, the maximum lpi is half 
> the
> ppi.  In practice, lpi is 1/3 to 1/4 dpi or even less if the optics or
> focus are poor.  For a theoretical discussion see
> <http://www.normankoren.com/Tutorials/MTF2.html>.

..or indeed the section about resolution at my site  :)


Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info 
& comparisons


Copyright © Lexa Software, 1996-2009.