2.6 EXTENDING THE DYNAMIC RANGE
Does the following scenario sound familiar? You take a picture of a landscape that looks wonderfully beautiful to the naked eye only to find out later that the blue sky no longer looks blue and the fascinating cloud formations are just white blobs. The reason for this and similar disappointments is that the scene captured in the image has a larger dynamic range than the camera.
Every camera sensor is capable of capturing only a certain range of contrast—that is, a limited range between the brightest and the darkest parts of an image. The X-Pro1’s range covers about 9.5 f-stops or exposure values (EVs). In other words, there are 9.5 EV between the minimum amount of light required for the sensor to depict something ...
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