Derrick StorySenior Contributor, Macworld

Derrick is author of iPad for Digital Photographers (Wiley & Sons) and is the voice of weekly photography podcasts at thedigitalstory.com.

Canon PowerShot S90

Canon’s PowerShot S90 might be one of the most powerful point-and-shoot cameras that you can slip into your shirt pocket.

Shoot tethered to control your camera from your Mac

Use your Mac to control your DSLR, point-and-shoot, or iPhone camera from afar. With a USB cable and the right software, you can preview and capture images directly from your computer.