本标准规定了8毫米S型50英尺I型声电影胶片相机墨盒和墨盒相机接口的尺寸。还规定了卷取芯驱动开口的尺寸和卷取芯的临界尺寸，以及驱动力、驱动方向和建议的传动比。还描述了一种可选的方法，用于在墨盒放入相机之前保持胶片供应卷轴配置。

This standard specifies the dimensions of the 8-mm type S 50-ft model I sound motion-picture film camera cartridge and cartridge-camera interface. Also specified are the dimensions of the take-up core drive opening and critical dimensions of the take-up core as well as the driving force, direction of drive, and recommended drive ratio. An optional means of retaining the film supply scroll configuration until the cartridge is placed in the camera is also described.