Do police cameras reduce crime?

Ever spotted a police camera peering at you on the street? Many question how effective these cameras really are. Find out how much money is spent on these mechanical eyes.

How Autofocus Cameras Work

You didn't really need to miss that amazing zebra shot during your African safari. Here's a nifty gadget that would have helped – an autofocusing camera. In this article, we’ll explain how the two types of autofocus features work, plus we’ll give you tips on how to use them.

How Camcorders Work

If you're looking to get famous on YouTube or delight your friends with hours of your vacation footage, there's no time like the present. Camcorders have gotten small enough to fit in a pocket. Find out how they work.

How Camera Flashes Work

A camera flash seems like a pretty basic device, but there's actually some interesting circuitry at work. Find out how a flash charges up and see exactly what happens the instant it goes off.

How Cameras Work

Digital may be taking over, but optical started it all. A camera is an incredible piece of technology that essentially records light. Take a look inside a single lens reflex camera.

How do instant cameras work?

Instant cameras depend on the same process of photographic development as regular film cameras. How does such a small device encompass the developing process?