intervalometer
/ˌɪntəvəˈlɒmɪtə(r)/noun
- Photography an attachment or facility on a camera that operates the shutter regularly at set intervals over a period. On a cine camera the device is used for time-lapse photography【摄】定时曝光控制计（照相机）; 延时摄影装置（电影摄影机）。