EXCERPT page containing first few paragraphs. 2017-06-26 18:55:26
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This scene presents a dynamic range challenge for any camera, with a dark foreground to the brilliant backlit clouds. A scene like this is difficult to capture with good quality using nearly all cameras, because the foreground will be unduly dark (underexposed) in order to preserve the bright white clouds, leading to noise and ugliness.
Two frames are shown here, both at f/8. One frame was shot two stops underexposed accidentally (1/1000). A moment later, the frame was shot again with two stops more exposure (1/250). I wondered how well the image quality would hold with the underexposed frame versus the optimal exposure frame, particularly given the shadow boost and push and fairly aggressive sharpening of Amount = 25.
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