That both scenes require the same exposure, regardless of the meter indication, becomes obvious from a scene that includes both a white horse and a black horse. A photographer usually can recognize the difference between a white horse and a black horse; a meter usually cannot. When metering a white horse, a photographer can apply exposure compensation so that the white horse is rendered as white.
That both scenes necessitate the same exposure, irrespective of the meter indication, becomes apparent from a scene that includes both a white horse and a black horse. A photographer typically can distinguish between a white horse and a black horse; however, a meter usually cannot. When photographing a white horse, a photographer can apply exposure compensation to render the white horse as white.