Dissecting an $18 Digital Camera to Show How They Work

Here's a dissection video for those of you who like photography better than biology. It's a Khan Academy lesson that offers a glimpse into how digital cameras work on the inside. The camera being dissected is a Vivitar V25, a 2.1 megapixel camera that you can pick up for around $18 from places like Walmart. Although it's basically the digital equivalent of a disposable camera, the camera still shares some things in common with higher-end digital cameras. You might be able to learn an interesting thing or two about how your own camera works.

Nikon D5100 Carefully Dissected, Found to Have “4 Billion” Screws

If you've ever wanted to know what the guts of a Nikon D5100 look like, iFixit just published a meticulously documented teardown of the camera. Aside from pointing out the various parts found in the body, an interesting conclusion the iFixit team came to was that the D5100 has a horrible "Repairability Score" of 2/10, where 10 is easiest to repair. The reason? "Approximately 4 billion screws hold the device together" (They're exaggerating, of course).