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Mastering Exposure and the Zone System for Digital Photographers by Lee Varis

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Capturing HDR Images

The process for capturing HDR images is very simple. Basically, the photographer shoots a wide bracket (several exposures under and over a target “normal” exposure) and then chooses an appropriate selection of exposures to combine into an HDR file. Ideally, one should shoot from a tripod to minimize movement displacement between shots, but, if the shutter speed is fast enough, it is possible to shoot a 3-shot auto-bracket hand-held. Different cameras have different options for “bracketing” exposures, and in just about every case, you should select the widest bracket possible—it’s all about covering the widest dynamic range. If at all possible, it is desirable to capture more overexposures than underexposures because the ...

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