照相还是成像

公布达盖尔照相术160多年，135照相系统主宰市场80多年，其后不断推出126，110，圆盘胶片，APS，到照相光盘和图片光盘等，传统照相不断改革，不断适应时代的要求，20世纪后期，电子、计算机和数码技术相结合催生了现代信息技术，数码成像应运而生，照相不用胶片，传统照相面临严重的挑战，传统的还在不断更新，新生的也不是完美无缺，照相还是成像，至少目前，这还是一个两难的选择。

Photography or Imaging

Since the disclosure of Daguerre photography 160-odd years ago the traditional photographic technologies have had got considerable advancements.By the end of 20th century the electronic computer and digital tech-nologies in combination have created the modern information technology and subsequently the updated digital imaging technology.Presently the traditional photography is facing the strong challenge of digital imaging systems which don't need any film.This paper offers an analysis of the merits and imperfections of these two methods.