这些光阑将会限制到达探测器的光线的总量。
These apertures restrict the amount of light that can reach the detector.
入射窗所对应的实物光阑就是所要求的场光阑。
The physical stop which corresponds to the entrance window is then the required field stop.
入射窗所对应的实物光阑就是所要求的场光阑。
The physical stop which corresponds to the entrance window is then the required field stop.
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