词汇表

测光

快门速度

测光是指相机测量曝光光量的方法。

快门速度是指打开和关闭快门所需的时间。因为它控制光量到达图

 

像传感器之前通过光圈的光量,因此是控制相片亮度的重要因素。

MJPEG(联合活动图像专家组)

较快的快门速度允许光进入的时间较短,相片会较暗,可以更容易

一种压缩为 JPEG 图像的视频格式。

定住运动中的拍摄对象。

 

噪点

虚光照

 

数码影像中的可能显示为位置错误或随机的明亮的错误像素。当相

相较于影像的中心,该功能会降低影像外围(外边缘)的亮度和饱

和度。虚光照可以吸引人们注意位于影像中心位置的对象。

机以高感光度拍摄照片、或以在黑暗场所自动设置的感光度拍摄照

 

片时,容易产生噪点。

 

 

白平衡(颜色平衡)

光学变焦

可调整影像中颜色(主要是原色:红、绿、蓝)的强度。调整白平

这是一种可以用镜头放大影像而不降低影像画质的普通变焦。

衡或者说颜色平衡的目的是为了正确显示影像中的颜色。

 

画质

 

数码影像中使用的压缩率的一种表达方法。画质越高的影像,压缩

 

率越低,通常文件也就越大。

 

分辨率

 

数码影像中显示的像素数。高分辨率的影像含有更多的像素,而且

 

通常会比低分率的影像显示更多的细节。

 

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Samsung EC-ST30ZZBPPE3, EC-ST30ZZBPBE1, EC-ST30ZZBPSE3, EC-ST30ZZBPLE3, EC-ST30ZZBPBE3, EC-ST30ZZBPEE3 manual 测光是指相机测量曝光光量的方法。

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