单词shutter speed
n.: 【摄】快门速度
网络: 快速度
（照相机的）快门速度:
the length of time that a camera"s shutter remains open
快门速度
You get the same amount of light with a large aperture and a fast shutter speed as you do with a small aperture and a slow shutter speed.
你使用大光圈以及慢速快门所得到的光和你使用小光圈以及高速快门得到的光是一样多的。
The other factor that comes into play in determining shutter speed is how much light there is in the scene you are photographing.
在确定快门速度时还要考虑的一个因素就是，在你拍摄的场景中有多少光线。
Don"t hand-hold a lens at a slow shutter speed and a wide aperture and then worry about whether the lenses sharp or not.
不要在慢速快门和大光圈时手持相机，然后再去担心镜头的锐度。
These filters cut down the light passing through your lens and into your camera which in turn allows you to use a slower shutter speed.
这种滤镜会减少通过镜头进入相机的光线，从而让你能够使用较慢的快门速度。
box camera: a simple camera shaped like a box and usually having a fixed focus and a single shutter speed.
盒式照相机：一种形似盒子的简易照相机，通常只有一个固定焦距和单一快门速度。
The only reason you"re changing the shutter speed is to make sure you get a properly exposed shot.
你调整快门速度的唯一原因是为了进行准确的曝光。
Capturing this movement generally means you need to look at a longer shutter speed (sometimes quite a few seconds).
捕捉到这些动态，一般意味着你需要使用慢快门（有时需要几秒钟）。
So how do you cut down the amount of light that gets into your camera to help compensate for a longer shutter speed?
那么怎样才能减少进入相机的光线、从而弥补长时间曝光带来的影响呢？
Luckily this isn"t as hard as you might think because shutter speed and aperture settings are organized in "stops".
其实这并没有你想的那么难，因为在相机上，光圈和快门速度都是按“档”设置的。
To take full control of your image, you must use both aperture and shutter speed in conjunction with one another.
要想完全控制你的影像，你必须搭配使用光圈和快门速度。