focus mode selector
/ˈfəʊkəs ˈməʊd sɪlˈɛktə/
n
English · focus mode selector中文 · 对焦模式选择钮Español · selector de focalizaciónFrançais · mode de mise au point
Bedeutung：Button that allows the user to choose between an automatic or manual focus to ensure a clear image.