Meter Off the Camera
WHY USE AN ACCESSORY exposure meter? Accuracy and simplicity. The hemispheric white incident dome measures light falling on your subject, not reflected from it the way your camera does. Hold the meter up to your subject with the dome facing the camera position, and you get essentially a gray-card reading—without a gray card.You need not be near your subject, just in the same light. Incident meters are a must in studios to measure and control strobes. But many pro sports shooters rely on them, too: By locking in an incident reading in manual mode, they avoid the kind of exposure errors that would be caused by, say a bright billboard or a dark wall behind a player.
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