The principle of exposure compensation is straightforward. To make the next picture you take darker, use a negative exposure compensation setting. To make yourCanon EOS 80D Manual Online: O Setting Exposure Compensation. N Exposure compensation can Exposure compensation can be set in the , , and shooting modes. You can't use exposure compensation if you're shooting in Auto mode, nor can you use it when shooting in Manual. (In Auto mode, your camera selects the Set the "Set" button to Exposure Comp and then whenever you need EC, just hold the button and spin the top dial. gscotten wrote: