尽管经历了十几年的风雨沧桑（孤立地看，十几年“弹指一挥间”，但从相机技术更新速度之快而言，又是“换了人间句，经历了从总体设计到技术改造和规格提升后，相机的制造水平和档次有了本质的飞跃和进步，而且从长期一贯采取的手动调焦到几乎在瞬息之间便脱胎换骨地改为自动? Despite over a decade of vicissitudes of life (in isolation, more than ten years, “play”, but in terms of camera technology updates faster, it is "a human sentence, has gone from the overall design to technology Transformation and specification upgrade, the camera manufacturing level and grade has made essential leaps and improvements, but also from the long-term manual focus has been taken to almost instantaneous, it will be changed to automatic?