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