On Sunday 26 June 2005 23.52, Richard Nagle wrote:
> well, it would appear to me the more import ## is resolution,
> i.e. a image at 1600 x 1200 @ 144 dpi  ( 8 x 10 ) approx
> would be a bad print, however scaling up to a 3200 x 2400 resolution image,
> would produce a nice 300 dpi print.
>
> So, a chart, of resolution sizes, would be nice,
> for printing out photo┬╣s ..ie. 8x10 11x14 16x20...etc
>
>
> Richard
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That depends on the viewing distance.
A 10x15 cm print "needs" somewhere 300 dpi to be able to view it closely.
A huge 10x15 metre billboard viewed from 10 m distance need maybe 30 dpi. 

See for instance 
http://www.bigphotohelp.com/articles1.htm
http://www.ltlimagery.com/resolution.html
http://www.signindustry.com/outdoor/articles/2001-03-19-viewingDistance.php3


-- 

         /Rikard

" Sharing knowledge is the most fundamental act of friendship. 
Because it is a way you can give something without loosing something." 
                -R. Stallman 

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Rikard Johnels          email   : [EMAIL PROTECTED]
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