彩色影片的保存,既取决于影片本身的内在因素,同时也与外界保存条件有关。几种柯达胶片的长期老化收缩情况见图1。靠的保存方法为印成三条黑白分色片,在温度≦70℉相对湿度为50%的条件下保存。但有时彩色原底本身有历史价值必须保存,可从以下几方面提高彩色片的保存性: The preservation of color film, both depends on the inherent factors of the film itself, but also with the outside world to save conditions. Several Kodak film long-term aging shrinkage shown in Figure 1. Rely on the preservation method is printed into three black and white color separation film, the temperature ≦ 70 ℉ relative humidity of 50% under the conditions of preservation. But sometimes the color base itself has historical value must be preserved, can improve the preservation of color film from the following aspects: