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一九七七年四月二十六日美国普拉公司发表了利用加色法成色原理制造的超8毫米一步摄影电影胶片,可以在两分钟内完成已摄42英尺彩色胶片的冲洗过程而即刻放映。此种胶片名称是:普拉威桑卡西特(Polavision Cassette)。该片感光度灯光型(3400K°)
April 26, 1977 Pula Corporation of America issued an ultra-8mm one-step motion picture film using the principle of additive colorization to complete the rinse of 42-inch color film in less than two minutes. show. The name of this film is: Polavision Cassette. The film speed light type (3400K °)