iris opening
US /ˈaɪrɪs ˈoʊpənɪŋ/
UK /ˈaɪrɪs ˈəʊpənɪŋ/
名詞
光圈開口, 虹膜開口
the adjustable opening in a camera lens that controls the amount of light reaching the film or sensor
範例:
•
Adjusting the iris opening is crucial for proper exposure in photography.
調整光圈開口對於攝影中的正確曝光至關重要。
•
A wider iris opening allows more light to enter the camera.
更寬的光圈開口允許更多光線進入相機。