Topics covered in geometrical optics include: ray-tracing, aberrations, lens design, apertures and stops, radiometry and photometry.
涵盖的主题包括：几何光学射线追踪，畸变，镜头设计，孔径和停止，辐射计和光度法。
The dispersion caused from the chromatic aberrations of lens is smaller than that from diffraction effects of it.
与衍射效应产生的色散相比，透镜本身的折射率色散很小。
There are many aberrations in single lens, it makes the physics significance of result of measuring become disorder, therefore, improving proposal is raised in this paper.
单透镜存在各种象差，会使测量结果的物理意义变得不清，因此本文提出了一些改进意见。
It's an easy matter to observe chromatic aberrations, with a thick, simple converging lens.
用一厚的简单会聚透镜很容易观察色差。
Finally, when a bright light strikes a lens, certain aberrations naturally occur, including bloom and star effects shown in the following image.
最后，当一个亮光冲击镜头，必然会出现不自然的情况，包括如图片中的光晕和星光现象。
The invention provides methods for designing ophthalmic lenses, and lenses produced by this method, which lenses corrects both low order and high order wavefront aberrations of the lens wearer's eyes.
本发明提供设计眼镜片的方法以及由该方法制备的眼镜片，所述镜片校正所述镜片的佩带者眼睛的低阶和高阶波阵面像差。
The design results show that on-axis and off-axis aberrations of the designed laser scanning lens are almost equal, and the image quality achieves the diffraction limit.
像质评价分析结果表明，所设计的镜头像质优良，轴上与轴外质量相当，像质达到衍射极限。
The design results show that on-axis and off-axis aberrations of the designed laser scanning lens are almost equal, and the image quality achieves the diffraction limit.
像质评价分析结果表明，所设计的镜头像质优良，轴上与轴外质量相当，像质达到衍射极限。
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