数码相机的电子部件比以前胶片机械相机多了不少,而且几乎是完全靠电力支持,发生故障的机率比胶片相机要大。一旦主用相机有事,那么备用相机就是完成拍摄任务的唯一“救命稻草”。但是,从很多摄影师的实际装备来看,备用相机历来不受重视。不少摄影师手中的备用相机是多年前淘汰下来的机型。其实,备用相机即使是新机器,也同样不能避免过失。 Digital camera electronic components than the previous lot of film camera, and almost entirely by electric support, the probability of failure than the film camera to be large. Once the main camera is in trouble, the backup camera is the only “lifesaver” to complete the shooting task. However, from the practical point of view of many photographers, spare cameras have traditionally been neglected. Many photographers in the hands of the backup camera is out of years ago models. In fact, even if the backup camera is a new machine, the same can not be avoided.