摘要
本文阐述和分析数码照相机上几种取景器的功能和优缺点:平视取景器成本较低,市场上十分普遍,但近景取景有视差现象;单镜头取景器没有视差,但价格昂贵,一般只安装在专业级的高端产品上;LCD显示屏取景器操作方便,也无视差,但耗电量大;电子取景器有效地避免了LCD显示屏取景器耗电量大的问题,但显示面积较小,很难观察到图象上的细节部分。因此各种数码照相机都根据用户的需求配装适当的取景器。
This paper elucidated and analyzed the functions, advantages and shortcomings of the four types of viewfinders commonly installed in digital cameras ： thophoria viewfinders are more popular and inexpensive, but have parallax; single lens viewfinders can prevent parallax, but are expensive and generally only installed in high-end professional cameras; LCD viewfinders are easy-operated and avoid parallax but consume excess power; electronic viewfinders consume little power but their display area is small and cannot show fine details of the picture. So, miscellaneous digital cameras are generally installed with appropriate viewfinders according to the requirements of consumers.
出处
《影像技术》
CAS
2008年第6期26-27,35,共3页
Image Technology
