Dave JohnsonMacworld

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.

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Meet the iPhone cases that can hunt ghosts and build furniture

Think like the Most Interesting Man in the World: He doesn't always use an iPhone case, but when he does it can see heat or cut down a tree.

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These cases turn your smartphone into a pay pal

Both the Incipio Cashwrap and Loop ChargeCase add mobile payment capabilities to the iPhone. We look at the pros and cons of both mobile transaction cases.

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Ten tips for better fireworks photos

Everyone knows Independence Day fireworks are stunning in the sky, but capturing that glory in photographs can be tricky. Use these simple tips to bring their pop to your pictures.

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The best iPhone lens kit: Put a little DSLR on the front of your iPhone

Looking to outfit your iPhone's camera with an external lens or two? Dave Johnson put five lens kits to the test to figure out which one reigned supreme.

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VSCO Cam review: Take photos, edit, and share online in one snazzy iOS package

VSCO Cam is a snazzy camera and editing app with a half-baked online sharing experience bolted onto the side. The app needs only to find a way to smooth the rough edges in its interface to be a truly essential camera app alternative.

How to photograph the 'Blood Moon'

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A lunar eclipse can be seen from most of North America late Monday night/early Tuesday morning. If you're interested in taking pictures of the moon, here are some tips on how to set up your camera.

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Luxi review: Let your iPhone double as your camera's light meter

iPhone light meter app does what standard gadgets can do in calibrating the light on your subject to suggest the best settings for your shot.

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Tadaa SLR review: iPhone app facilitates your focus after the fact

Use this app to adjust the focus point of your iPhone photos after you shoot them.

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How to control focus and depth of field on your iPhone camera

Tips and tricks for adjusting camera controls on your favorite camera phone.

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Smartphone photo tips for the holidays

'Tis the season for photos of holiday feasts, opening presents, and lots and lots of lights. Here's how to snap great-looking holiday shots with a cell phone.

Traveling with your camera: What to take with you

Planning to do some holiday shooting with your camera or iPhone? Here are some tips on what to pack.

How to keep your camera clean

A clean camera means better pictures, and luckily the techniques are easy and the tools are cheap.

on techhive.com