Dave JohnsonPCWorld

Dave Johnson is a writer and photographer who has covered technology for magazines such as PCWorld and Wired. He is currently the Editorial Director for eHow.com's Tech channel. Dave is the author of How to Do Everything with Your Digital Camera, and over a dozen other books.

Post high-resolution photos online

Show off your detailed, high resolution photographs online.

Your digital camera and the law

Clearing up the confusion about what you can legally photograph and where it’s okay to use your camera.

How to photograph an airshow

Here's how to capture aerial acrobatics--from choosing the right lens to setting up your digital camera.

Sizing up smartphone cameras

PC World's Dave Johnson has never cared for the built-in cameras of smartphones. But he took a second look at what the iPhone 3GS and the Palm Pre offer.

Five reasons to try Adobe Photoshop Lightroom

PC World's Dave Johnson focuses on five aspects of Photoshop Lightroom that should interest any serious photographer.

Opinion: Which digital camera is best?

People always ask PC World's Dave Johnson which digital camera is the best. Here's how he answers.