自1839年3月19日,法国科学家达盖尔(L.J.M.Dagurre)发明照相术以来,奇妙的碘化银、溴化银微粒为人类生活记录了无数的欢乐、离愁的瞬间。这跨越了一个多世纪的“影子”的使命,到20世纪80年代首次受到了冲击。1981年8月,日本索尼公司推出的世界第一部完全不同于达盖尔的照相机“马维卡”(MAVICA)问世了。虽然只是一部样机,但是它带来了传统照相术的历史性变革:以磁盘取代溴化银胶卷,迎来了摄影技术告别胶卷的新时代。随后,1992年一种全新 Since March 19, 1839, the French scientist L.J.M. Dagurre invented the technique of photography, marvelous silver iodide and silver bromide particles have recorded innumerable joys and sorrows in human life. It crossed the mission of the “shadow” of more than a century and was the first to hit the 1980s. In August 1981, the first camera in the world launched by Sony Corporation of Japan, MAVICA, completely different from Daguerre came out. Although only a prototype, it brought a historic revolution in traditional photography: replacing a silver-bromide film with a magnetic disk has ushered in a new era in which photographic technology farewell to film. Then, in 1992 a brand new