Canon Community

Just out curiosity, why do DSLR's have a shutter? Would it not be possible to electronically 'tell' the sensor to start and to stop processing the incoming light? What are the advantages of the current designs?

Hi everyone,You can use Exposure Compensation in Av, Tv, or P Mode to slightly adjust the exposure that the camera is selecting. In Av mode, you fix Av and ISO, the camera selects the shutter speed with the correction from the overcompensation. In M ...