What does 镜头 (jìngtóu) mean in English?

Card 1385HSK Level 41385/3571
CARD1385
PROGRESS39%
镜头
鏡頭
jìngtóu
lens(Noun)

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d