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.

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.

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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.

Farewell Photoshop: Edit your photos for free

We’re living in a golden age of free photo editing thanks to a wealth of online options.

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Bracket your photos for the perfect shot

Bracketing is as old as photography, and here are some effective ways to accomplish it with your digital camera.

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Take engaging photos using the rule of thirds

A simple compositional trick for the ages, the rule of thirds ensures a more interesting photo.

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How to change your DSLR lens the right way

Here's how to change the lens while keeping your mirror, sensor, and lens clean and safe.

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Buying guide: Photo printers

Looking for a good photo printer this holiday season? Follow these four steps for a smart buy.

Close-ups and silhouettes: Get a different perspective in your photos

Follow these tips for taking dramatic close-up photos of flowers and atmospheric silhouettes with your digital camera.