天气预报15天查询> 其他> 如何锁定曝光值

如何锁定曝光值

更新时间: 2020-10-31 00:00:00     

先对准被摄物并进行测光,之后机按身右手拇指处的AEL按钮。曝光是指将感光板置于晒版机工作台上,放好底片,通过曝光获得一种潜在或可见图像的过程。曝光是一切光化学成像方法的基本过程与主要特征。曝光模式即计算机采用自然光源的模式,通常分为手动曝光、自动曝光等模式。照片的好坏与曝光有关,也就是说应该通多少的光线使感光元件能够得到清晰的图像。

关键词: 如何 锁定 曝光

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2239976/ | 耗时:0.5121 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2239976 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2239976 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2239976 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(108700,2847548,1076135,1073088,108083,114839,112490,117225,3203208,114470,111545,1899848,2819981,1504002,116934,113621,114727,2858326,2632993,109418,1067729,2463699,1129993,2366635,1096066,117161,3119803,111913,1092289,1812673) ORDER BY field (ArticleID,108700,2847548,1076135,1073088,108083,114839,112490,117225,3203208,114470,111545,1899848,2819981,1504002,116934,113621,114727,2858326,2632993,109418,1067729,2463699,1129993,2366635,1096066,117161,3119803,111913,1092289,1812673)