Pixels do not have a size! It's just a number or code in the computer. The
size depends on how you see it. On a screen or a print. A good print is 300
ppi. That is app. 12 pixel/mm, making one pixel app. 0,08mm. On a screen (72
ppi) the same photograph will show one pixel app. 4,16 times larger, which
is app. 0.34 mm - unless you scale it down to fit the svreen, of cource.

Jens Bladt
mailto:[EMAIL PROTECTED]
http://hjem.get2net.dk/bladt


-----Oprindelig meddelelse-----
Fra: Caveman [mailto:[EMAIL PROTECTED]
Sendt: 22. august 2004 01:00
Til: [EMAIL PROTECTED]
Emne: Re: sad stuff about stock photography and up-to-date technology


How big is one of those pixels compared to film grain ?

J. C. O'Connell wrote:

> You can get over 100 Mpixel images from 4x5 film
> with inexpensive Epson 3200 scanners.
> JCO



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