V2EX shutter speed

Shutter Speed

定义 Definition

(摄影)快门速度:相机快门打开并让光线进入感光元件/胶片的时间长度,通常以秒或分数(如 1/250s)表示。快门速度会影响曝光量运动效果(凝固或拖影)。

发音 Pronunciation (IPA)

/tr spid/

例句 Examples

I lowered the shutter speed to let in more light.
我把快门速度调慢,让更多光线进入。

A fast shutter speed can freeze motion, while a slow shutter speed can create intentional blur for a more dynamic look.
较快的快门速度可以凝固动作,而较慢的快门速度则能产生有意的模糊效果,让画面更具动感。

词源 Etymology

shutter 原指“遮窗板、百叶窗”,在摄影中引申为相机内控制进光的“快门”;speed 表示“速度”,在这里指快门开启的“时间长短”(快慢)。合起来 shutter speed 就是“快门开合的快慢/开启时长”。(在技术语境中也常见近义说法 exposure time。)

相关词 Related Words

文学与作品 Literary Works

  • Understanding Exposure(Bryan Peterson)
  • The Camera(Ansel Adams,“The Basic Photo Series”之一)
  • The Negative(Ansel Adams)
  • Langford’s Basic Photography(Michael Langford 等)
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