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1112型胶片是根据电影制片的需要,参照国外同类胶片性能研制的一种中速黑白底片(国内习惯称为HD-2,意即2型黑白底片)。该片于1965年鉴定,1966年投产,供国内制片单位及文教、卫生、科研等部门使用。 1112型胶片在投产以后,质量又得到逐步改进,从1972年起达到一定水平并趋于稳定。胶片自投产以来,已生产数千万米,制片部门用它拍摄了“侦察兵”、“峰火少年”、“平鹰坟”、“向阳院的故事”、“十月风云”、
1112 film is based on the needs of film production, with reference to the performance of similar foreign film developed a medium-speed black and white film (domestic habits known as HD-2, which means type 2 black and white film). The film was identified in 1965, put into operation in 1966 for the domestic production units and culture, education, health, scientific research and other departments. After the film 1112 was put into production, its quality has been gradually improved, reaching a certain level since 1972 and has stabilized. Since the film was put into production, tens of millions of meters have been produced and the production department has filmed “scout”, “peak fire boy”, “flat eagle grave”, “story of Sunningdale hospital”, “October Storm”