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[OM] Re: in-camera image resolution

Subject: [OM] Re: in-camera image resolution
From: iwert <zuiko@xxxxxxxxxx>
Date: Sat, 6 May 2006 14:05:22 +0200
>> Chris
>
> indeed, that is where the confusion starts, let's look at what really
> happens:
>
> program: I wan't to print this image at high quality
> printer: wel choose at least 720 dpi then
> program: but my image is only 300 dpi!
> printer: no problem, I'll print it at 720 anyway
> program: how is this possible? I only give you 300!
> printer: yes, and what you give me is 300 square pixels per inch, which
> I can't use anyway, since i spit round pixels, which aren't pixels
> really, they are droplets, so I'll have to translate your pixels into
> my droplets anyway, and I rather translate 300 in 720 then 720 in 720,
> they don't match anyway, you give me 300 pixels in red green and blue,
> and i have to translate them in 720 in cyan, magenta yellow and black,
> and my more sophisticated nephews even have six coulours to translate
> to, I have completely independent algorithms. So please, don't give me
> too much to translate, really 300 dpi is ok, don't worry!
>
>
addendum: in short: what really happens is that the printer translates 
apples into oranges, and that we make the mistake that 720 apples 
should be the same as 720 oranges!

Iwert.


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