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[OM] Megapixels and definition

Subject: [OM] Megapixels and definition
From: bj@xxxxxxxxxxxxxxx
Date: Sun, 18 Sep 2016 22:08:59 +1200
 

I'm still puzzled. 

Let's suppose we have two cameras, one (a) with
2,000 pixels on the long side, and another (b) with 10,000 pixels on the
long side, and take a photo with each. 

Now suppose we print them each
in a print which is 2,000 inches wide (on the long side). Forget the
absurdity of the dimensions for the moment. 

My supposition is that the
print from (b) will be 5 times sharper (5 x more detail) than the one
from (a) because each inch from it contains information from 5 pixels,
not just 1 pixel. 

Reply? 

Brian 
 
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