aperture/exposure value display
/ˈapətʃə/
n
中文：光圈曝光值显示
中文 · 光圈曝光值显示Español · visualización de valores de abertura y de exposiciónFrançais · affichage ouverture/indice d’exposition
Meaning：Button that displays data (diaphragm opening and exposure time) on suggested exposures based on the brightness of the scene.