Megapixel Madness

In recent years digital camera manufacturers have pushed up the number of pixels on their cameras as a way to out do their competitors and to encourage buyers to replace their perfectly adequate but pixelly challenged existing cameras. But there are limits to the number of pixels you can squeeze onto a sensor before the quality of the image suffers. In a very useful series of posts the Petavoxel blog describes these limits to current sensor designs. I couldn’t put it better myself, so here’s the links in chronological order:

Megastupidity Marches On
No Way to Cheat the Laws of Physics
Diffraction and Fraud in Digicams
The Great Megapixel Swindle: An Example
Megapixel Recap

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~ by Alan Humphris on January 20, 2010.

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