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For the uninitiated, HDR photography is all the rage, supplanting tilt-shift photography as the trendiest way to manipulate your photos and earn your Flickr feed a little extra attention. Previously the domain of only high-end digital SLR cameras and pricey photo manipulation software, it has now come to the Apple iPhone, in the form of a handful of competing apps. Pro HDR is among the most popular of these and easily among the top iPhone photo apps, too.
So, what is HDR photography anyway? HDR stands for “High Dynamic Range.” The “range” refers to the luminance of the photograph, specifically the difference between the lightest and the darkest parts of the picture. A typical photograph is at the mercy of the lighting conditions of the time and place at which it was taken. A skilled photographer might be able to reduce glare or squeeze a little more detail out of the shadows, but the result will rarely compare to the range of luminance recognized by the human eye. HDR photographs, on the other hand, more closely recreate the experience of being there.
The way HDR photography accomplishes this is a bit of cheat: HDR photographs are actually the combination of three exposures. Each exposure will capture a different level of detail, and then the exposures will be combined with an algorithm designed to retain the greatest degree of detail in each photograph. It is a complicated process, so any reader who wonders whether an iPhone app will be capable of pulling it off is justifiably skeptical. Pro HDR, however, will make short work of that skepticism. (…)
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AppCraver.com, 2010. | With Pro HDR Camera App, iPhone Photos Rival the Real Deal | Best iPhone Apps | Best Free Apps
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