“决定性瞬间”可能是二十世纪最受瞩目的摄影美学思想。从二十世纪二三十年代开始,到五十年代初这个阶段,特别是在两次世界大战之间,伴随着对画意摄影的强烈批判,摄影界展开了对自身最基本特性的热烈的探索。在这个摄影的现代主义时期,通过对摄影作为一种艺术媒介自身的个性的研究,形成了对摄影两大最基本特性——“原真的拷贝(记录性)”和“时间的切割(时间性)”的深度探究,进而形成了基于这两大特性的摄影美学观。对前者的研究,诞生 “Decisive moments” may be the most watched photographic aesthetics in the twentieth century. From the 1920s to the third decades of the twentieth century to the early 1950s, and especially between the two world wars, with the intense criticism of pictorial photography, the photography community has conducted a vigorous exploration of its most basic features . Through the study of photography as an individual character of the art media during the period of this modernism of photography, the most basic characteristics of photography - the “copy of the original record” and the “ Cutting (time) ”depth of inquiry, and thus formed based on these two characteristics of the photography aesthetic. The study of the former was born