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[OM] Re: Medium Format vs. Digital

Subject: [OM] Re: Medium Format vs. Digital
From: Jan Steinman <Jan@xxxxxxxxxxxxxx>
Date: Mon, 27 Jan 2003 09:52:01 -0800
>From: Albert <olympus@xxxxxxxxxxx>
>
>Ok, let's do some math here...
>
>If we take a pixel as a crossroad of 2 lines...

I believe your math is off by a factor of two. It takes TWO or more pixels to 
resolve a line (Nyquist limit).

>sq-rt (11,100,000 / 864) = 113 lines / mm

Ignoring for now the assumption that the sensor is square, if you allow for two 
pixels per line, you get a more reasonable 56.5 lpmm.

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