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照相机快门 [zhào xiàng jī kuài mén]
camera shutter
- 20世纪20年代，柯达布朗尼等体积小巧、价格便宜的快门照相机问世。
In the 1920s, small, inexpensive fast-shutter cameras like the Kodak Brownie appeared. - 进入镜头光的总量可以由照相机快门打开时间的长短（曝光）和孔径的宽度决定。
The amount of light that enters the lens can be controled by the length of time the camera shutter is open for (the exposure), and the width of the aperture (the fstop). - 本文通过计算机程序计算的实例,极其简要地阐明了电子快门照相机小孔光阑孔径偏差对照相机EV值误差的影响。
Through the example calculated by the computer program,the effect of thedeviation of the diaphragm aperture oft the error of EV value in camera with anelectronic shutter is presented in brief.
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