Back Schlitzverschluss German Obturatoro#Fokus-ebena obturatoro Esperanto Obturateur plan focal French フォーカルプレーンシャッター Japanese Spleetsluiter Dutch Obturador de plano focal Portuguese Фокальный затвор Russian Фокальний затвор Ukrainian 焦平面快门 Chinese
In camera design, a focal-plane shutter (FPS) is a type of photographic shutter that is positioned immediately in front of the focal plane of the camera, that is, right in front of the photographic film or image sensor.