> Unfortunately, I don't know of any system which actually does this. So 
> turning up the resolution just makes everything smaller and harder to 
> see...

Ermm Windows does (you can tell it your monitor DPI in display settings 
somewhere), I used this setting for ages on my laptop, but then I got a new 
CAD program and it didn't like the higher DPI settings so I had to go back 
to the defaults.

>> IIRC
>> your eye can resolve down to about 1/60 of a degree, so you can do the 
>> maths...
>
> Apparently 1/60 degree is 1 minute of arc, the sine of which is about 
> 0.0002909. So at 40cm distance, that's... 116.4 um, which is obviously 
> nonesense.

How come? 116um sounds the right order of magnitude for a pixel pitch to me.

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