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Global Shutter

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A Global shutter exposes the entire imager simultaneously. The entire frame is exposed and begins gathering light; when the predetermined “shutter speed” has elapsed, the sensor stops gathering light and turns its current exposure into an electronic image.

Used in many CCD sensors. Global shutters are immune to effects like skew, wobble, and partial exposure.

Some CMOS sensors are configured to use global shutters - in which case they do not suffer from vertical smear, skew, wobble or partial exposure.

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