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Filmmaking
Flimmaking is the process of making a film, from an initial story, or idea, through scriptwriting, casting, shooting, directing, editing, and screening into a finished product before an audience that may result in a theatrical release or television program.
Filmmaking
锥轴椭球面型冷反光镜
电影; 电影制作
简称锥轴反光镜,锥轴的椭球面是标准椭球面的变形曲面,当点光源位于第一焦点F1处时,经曲面反射,在第二焦平面上形成一个环形光斑,从而提高片门照明的均匀性,镜面镀有透红外膜层。 ...