GB/T 4635-2000
ActiveImage area produced by camera aperture on 35mm motion-picture film--Position and dimensions
35mm电影摄影机片窗在胶片上形成的画面的位置和尺寸
Application Summary AI generated
This standard specifies the exact position and dimensions of the image area created by the camera aperture on 35mm motion-picture film. It is applied in the manufacturing and calibration of 35mm motion-picture cameras and in the production of film negatives to ensure consistent framing and compatibility during projection. The standard is essential for the motion-picture industry, particularly in cinematography and film processing, to maintain uniformity across different camera systems and film stocks.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.