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Balancing exposure in scenes that have a wide contrast in tonal ranges can be extremely challenging. The one thing you should try to avoid is overexposing your skies to the point of blowing out your highlights (unless, of course, that is the look you are going for). It’s one thing to have white clouds, but it’s a completely different and bad thing to have no detail at all in those clouds. This usually happens when the camera is trying to gain exposure in the darker areas of the image (Figure 7.10). The one way to tell if you have blown out your highlights is to turn on the Highlight Alert, or “blinkies,” feature on your camera (see the “How I Shoot” section in Chapter 4). When you take a shot where the highlights are exposed beyond the point of having any detail, that area will blink in your LCD display. It is up to you to determine if that particular area is important enough to regain detail by altering your exposure. If the answer is yes, then the easiest way to go about it is to use some exposure compensation.