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摄影基础(一)

用于博克摄影俱乐部的知识分享

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摄影基础(一)
摄影是指使用某种专门设备进行影
像记录的过程
在 Le Gras 的窗外景色
摄影基础(一)
摄影基础(一)
曝光(Exposure)是指摄影的过程中允许进入镜头照在
感光媒体上的光量
曝光(Exposure)
曝光
感光
度
快门
速度
光圈
什么会影响曝光
光圈 (Aperture)
1/1000 秒
1/500 秒
1/250 秒
1/125 秒
1/60 秒
1/30 秒
1/15 秒
1/8 秒
1/4 秒
快门速度 (Shutter Speed)
100
200
400
800
1600
3200
感光度 (ISO)
曝光(Exposure)是指摄影的过程中允许进入镜头照在
感光媒体上的光量
曝光值(Exposure Value)是一个以2为底的对数刻度系
统。
曝光值(Exposure Value)
http://johnlind.tripod.com/science/scienceexposure.html
EV f值
1.0 1.4 2.0 2.8 4.0 5.6 8.0 11 16
-6 60 2 m 4 m 8 m 16 m 32 m 64 m 128 m 256 m
-5 30 60 2 m 4 m 8 m 16 m 32 m 64 m 128 m
-4 15 30 60 2 m 4 m 8 m 16 m 32 m 64 m
-3 8 15 30 60 2 m 4 m 8 m 16 m 32 m
-2 4 8 15 30 60 2 m 4 m 8 m 16 m
-1 2 4 8 15 30 60 2 m 4 m 8 m
0 1 2 4 8 15 30 60 2 m 4 m
1 1/2 1 2 4 8 15 30 60 2 m
2 1/4 1/2 1 2 4 8 15 30 60
3 1/8 1/4 1/2 1 2 4 8 15 30
4 1/15 1/8 1/4 1/2 1 2 4 8 15
5 1/30 1/15 1/8 1/4 1/2 1 2 4 8
6 1/60 1/30 1/15 1/8 1/4 1/2 1 2 4
7 1/125 1/60 1/30 1/15 1/8 1/4 1/2 1 2
8 1/250 1/125 1/60 1/30 1/15 1/8 1/4 1/2 1
9 1/500 1/250 1/125 1/60 1/30 1/15 1/8 1/4 1/2
10 1/1000 1/500 1/250 1/125 1/60 1/30 1/15 1/8 1/4
11 1/2000 1/1000 1/500 1/250 1/125 1/60 1/30 1/15 1/8
12 1/4000 1/2000 1/1000 1/500 1/250 1/125 1/60 1/30 1/15
13 1/8000 1/4000 1/2000 1/1000 1/500 1/250 1/125 1/60 1/30
14 1/8000 1/4000 1/2000 1/1000 1/500 1/250 1/125 1/60
15 1/8000 1/4000 1/2000 1/1000 1/500 1/250 1/125
16 1/8000 1/4000 1/2000 1/1000 1/500 1/250
相机功能模式拨盘
Auto: 你不用做任何调整(该模式下你也不允许
做任何调整)
P: 相机会根据目前环境下给你推荐合适的曝光
组合。你还可以做调整(曝光补偿;ISO感光
度;更改测光方式;自动对焦模式;白平衡调
整;闪光灯强制开启;手动对焦)
人像模式:虚化背景,再现真实肤色
风景模式:前后清晰色彩艳丽
微距模式:放大世界
运动模式:高速快门,凝结动作
夜景模式:低速快门,禁用闪光
禁用闪光灯的Auto模式
Tv:Time Value,时间(快门速度)优先
Av:Aperture Value,光圈优先
M:Manual,手动
A-Dep:Auto Depth-of-field,自动景深。
B:Bulb,B门,长时间曝光。

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摄影基础(一)