词汇表, Jpeg（联合图像专家组）, Lcd（液晶显示屏）

词汇表

Exif（可交换图像文件格式）

该规范是由日本电子工业发展协会 (JEIDA) 创立的，旨在为数码相机定义图像文件格式。

曝光

允许进入相机感光面的光量。曝光受到快门速度、光圈值和 ISO 感光度组合的控制。

闪光灯

利用该快速闪光有利于在低照度条件下进行充分曝光。

焦距

从镜头中心到其焦点的距离（以毫米为单位）。较长的焦距导致视角较窄且拍摄对象放大。较短的焦距使视角变宽。

图像传感器

数码相机中包含图像中每个像素各自的像点的物理部件。每个像点记录着曝光时射到该点的光线的亮度。普通的传感器类型有 CCD（电耦合元件）和 CMOS（互补金属氧化物半导体）。

ISO 感光度

相机对光线的敏感度，与胶片相机中使用的胶片速度等同。ISO 感光度的设置越高，相机可使用越快的快门速度，这样可以减少由于相机抖动和光线不足引起的模糊。然而，影像的感光度越高就越容易产生噪点。

JPEG（联合图像专家组）

数码影像的有损压缩方式。压缩成 JPEG 图像时，在尽可能避免降低图像分辨率的同时降低图像的整体文件大小。

LCD（液晶显示屏）

电子消费品中广泛使用的一种的视觉显示屏。该显示屏需要独立的逆光，如 CCFL 或 LED 来再现色彩。

微距

利用该功能可以拍摄微小对象的近距离照片。使用微距功能时，相机可以对微小对象以接近实物的比例（1:1）进行鲜明的对焦。

测光

测光是指相机测量曝光光量的方法。

MJPEG（联合活动图像专家组）

一种压缩为 JPEG 图像的视频格式。

噪点

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。

光学变焦

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。

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Samsung EC-DV90ZZBPBE1 manual 词汇表, Jpeg（联合图像专家组）, Lcd（液晶显示屏）, 光学变焦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。

Models: EC-DV90ZZBPBE3 EC-DV90ZZBPSE3 EC-DV90ZZFPBE1 EC-DV90ZZBPPE3 EC-DV90ZZBPBE1

词汇表