Exposure is all about making sure the sensor gets the right amount of light. Without camera exposure controls, pictures taken at night would be pitch black, and those taken in bright daylight might be burned out. There is actually a fairly narrow ‘window’ of light intensities which sensors can record, and real-world lighting conditions vary […]
Stop (exposure)
Also called 'f-stop', this is the old photographic term for exposure adjustments or what we now call 'exposure values'. If you change the exposure by one 'stop' it's the same as changing it by 1EV. The term f-stop is still used for lens aperture adjustments.