focal length
US /ˈfoʊ.kəl ˌleŋθ/
UK /ˈfoʊ.kəl ˌleŋθ/
名詞
1.
焦距
the distance from the center of a lens or curved mirror to its focal point
範例:
•
Adjusting the focal length changes the magnification of the image.
調整焦距會改變圖像的放大倍數。
•
A longer focal length results in a narrower field of view.
更長的焦距會導致更窄的視野。
在 Lingoland 學習這個單詞