... single field lens 单场透镜 plane of field lens 场镜面 saddle-field lens 鞍形场透镜 ...
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The position of the image and the amplitude variation in the optical field are associated with the focus and the distance from the object to the front focal plane of the lens system.
象的空间位置和光场振幅的变化与透镜系统的焦距以及物体距焦平面的位置有关。
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