多棱镜分2影、3影、4影、5影、7影等，系采用光学玻璃冷加工工艺制成。拍摄时光圈小，各影像间重叠干扰少；光圈大，重叠干扰多。拍摄距离近，影像间重叠多，距离远则影像重叠少。另外，景物背景不宜复杂零乱，否则影响视觉效果。该镜使用单反相机拍摄效果更佳。
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这只是美国教育这面多棱镜的一角。
This is just a brief introduction to one of the many aspects of American education.
塑料指示头内表面制成多棱镜面，能反射各种角度的光线，非常醒目。
The inner surface of the plastic indicating head is made into a polygonal mirror surface, so the direction indicating device which can reflect light rays of various angles is very conspicuous.
这起被称为“空难”的公关危机事件，恰如一枚多棱镜，折射出企业公关危机管理的诸多问题。
It has been called the "disastrous" public relations crisis incident, which reflects many public relations crisis management (PRCM) issues of the enterprise.
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