Dave JohnsonTechHive

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.

Action! Capturing motion with shutter speed

Let's take a look at how to use shutter speed to capture action with your digital camera.

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Balancing ISO and digital noise for sharper low-light photos

The average camera's noise performance has improved dramatically in the past few years, enabling you to shoot at previously unheard-of, crazy-high ISOs and still get very usable photos.

on pcworld.com

phone taking picture

Get the most from your smartphone camera

These handy tips help make your smartphone the one camera you'll need in most situations.

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Histograms help gauge your exposure as you shoot

Ensure that your photos pop with color and energy by using your camera's histogram feature.

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Our roundup of new camera backpacks and messenger bags

Today's camera bags are more rugged, offer better protection, and often come with a surprising array of clever features.

on pcworld.com

Shooting in a snow-white environment

Tips and tricks for shooting in the snow.

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Eliminate red eye in your photo portraits

When your camera flash fires, the light bounces off the retina and appears in your photo a dot of red. Here's how to avoid it.

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Shooting the ocean at sunset

You can take sunset photos that rival what you see in art galleries or on film.

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Take a better backlit portrait

If your primary light source (the sun) is behind your subject, the camera will underexpose it. Here's how to counteract that problem.

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Cool night photos with long exposures

You can get some great photos by exploring shutter speeds from 2 seconds to 16 seconds.

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Cool digital photo gadget bargains

Sometimes it's the small things that make a big difference, especially camera accessories that help you take better pictures.

on pcworld.com

Outsmart your camera by turning off the autofocus

Autofocus is like magic, and it's often done well even by simple, inexpensive cameras. But sometimes it's better to turn off your autofocus control and do it the old fashioned way.

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Four easy ways to winterize your photo techniques

Before you head outdoors to take a picture of your neighborhood snowman or to capture frost on tree branches, get ready for shooting in cold weather.

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Review: SetMyCamMx aids depth of field calculations and serves as a great teaching tool

SetMyCamMx’s primary job is to help you figure out how to get the depth of field you need for a particular shot.

Review: DOFMaster lets you take control of you camera's depth of field

iPhone photo app lets shooters control depth of field.