This post is also a review of information from the instruction manual that comes with your camera, specifically the chapter on “measuring exposure compensation”. The measuring point selected usually coincides with the focal point and is the point at which the camera’s metering system regulates the correct exposure. The metering can be more or less concentrated on that point or may take into account the entire area in the frame. These different light measuring methods can be chosen at the time of the shot depending on the situation. For example, in an area of shade indoors, try to capture all of the shadows. You will find that the most representative image is the one that was metered on the brightest point and not on the light source. The same thing happens when you take photographs at a show or concert (obviously without the flash): you will get lights and darks similar to what you saw.