当今世界科技高度发达,前人做不到甚至连想都不敢想的事情,现在都能办到。随着电脑、高速计算机及新兴材料的诞生与发展,使得摄影器材及成像材料都有了突飞猛进的进步,近年数字相机已经雄霸天下,胶片相机逐步退出历史舞台。不管是胶片还是数字相机,它的成像原理千变万化,但它们还要依赖镜 In today’s world, where science and technology are highly developed, things that our predecessors can not even think about can not be done now. With the birth and development of computers, high-speed computers and emerging materials, photographic equipment and imaging materials have made rapid progress. In recent years, digital cameras have dominated the world and film cameras have gradually withdrawn from the historical arena. Whether film or digital camera, its ever-changing imaging principles, but they also rely on the mirror