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Rolling Shutter and Global Shutter 2021-06-15 Exposure time is a period of the shutter from open to close. During the period, the light exposing on the chip’s photosensitive array and Photoelectric effect occurs, then photoelectric charges are produced. By the A/D transformation, the grayscale value of each pixel is displayed. Under a certain light intensity, the longer the shutter is open, the longer the exposure time, the brighter the image. Long exposure time can show the trajectory of slow moving objects on an image, and short exposure time can record things more accurately. Learn More

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