Olympus has some new toys for the camera-obsessed folks: The PEN E-P3, PEN E-PL3, and PEN E-PM1. The slick little beasts will offer interchangeable lenses, a speedy auto-focus, 1080i HD video, ...

If you have ever played around with lenses, you’ll know that a convex lens can focus an image onto a target. It can be as simple as focusing the sun with a magnifying glass to burn a hole in a piece ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ben Keough Ben Keough is an editor covering cameras, working from home, ...