露ろ出しゅつ計けいろしゅつけいMeanings1nounlight meter; exposure meterA device used in photography to measure light intensity and determine proper exposure settings.カメラの露ろ出しゅつ計けいを使つかって適てき正せい露ろ出しゅつを決きめる。I use the camera's light meter to determine the correct exposure.