I upgraded to iOS 4.1 GM beta yesterday and have been playing with the HDR camera settings. Historically, Apple’s GM releases have been the final official builds so this is most likely the same version to be released to the public in a few days. HDR is by far the most highly anticipated feature of the iOS 4.0.2 -> 4.1 upgrade
The new HDR on/off button is dead center between the Flash and Front/Back camera swap buttons.
The photos look like somebody slightly adjusted the brightness and contrast settings. The lighting seems much more uniform but the colors appear to be a little washed out. Not as nice as professionally created HDR photos, but the idea is the same. See the with and without photos below.
Although the new HDR feature is nothing spectacular, it is a welcome feature. You do have to hold the phone much steadier or you will get a bit of blur. The picture is taken fairly quickly, but it takes about 3-4 seconds to save. The phone saves two pictures, one without HDR, one with HDR and the photo is labeled in the preview window. The HDR label disappears when photos are extracted to the computer. The shadows are softened and are more uniform with the brightness of the non shadowed objects in the picture, and glare from shiny objects is reduced significantly. That alone is a reason to praise the new feature.
INTERESTING NOTE: If you enable HDR, the camera flash is automatically turned OFF.
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