Train to nowhere

by Jorge Córdoba

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The basic answer here is: usually, no one cares. For the art of photography, cameras are meant to record images for the purpose of viewing, not metadata for the purpose of scientific instrumentation. The prevailing EXIF standard for metadata doesn't even record timestamps more precisely than one second, and there's usually no provision for network time ...


As far as I can tell, the sensor has a fixed readout time. When using a frame rate slightly slower than the readout time, the sensor momentarily sits idle at the end of each readout, before beginning the next one - rather than slowing down the readout, which the sensor can't do. I don't know why they give that specific range (60% to 90%) but maybe they're ...


The answer is electronic shutters on CMOS simply cannot do shutter speeds faster than their readout time, which in your example sensor is 10ms (1/100s). The readout time is fixed, and it's not possible to start readout of the next frame before the readout of the last frame has finished or to somehow speed up readout. The only exception is if the CMOS ...

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