This paper describes the method of equivalent lens systems and by this method analyses the properties and functions of one-lens coherent optical systems.
本文介绍一种等效透镜系统的方法，并采用这种方法分析单透镜相干处理系统的特性和作用。
The EP-1 should be available in white and black when it launches soon in Japan, with prices set at the equivalent of $917 for the body only or bundled with a lens for $1,222 to $1,324.
EP-1机型将有黑白两色外观可供选择，马上就要在日本开始发售。裸机售价将在917美元左右，带镜头售价则在1222-1324美元间。
Lens reflections, in any case, are equivalent in size to the bright objects, or are smaller than the object.
镜头内的反光在任何情况下都只会等于或小于亮物的大小。
Based on that the laser rod is equivalent to gradient index rod (GRIN), a new thermal lens focal length expression was achieved.
把激光棒等效为梯度折射率棒，得到了新的热透镜焦距公式。
The formulas for determining the equivalent focal length, principal planes, focal planes as well as the GRIN lens law are derived.
导出透镜的等效焦距，主面、焦面位置以及高斯成象公式。
The image of a taper-like defocusing GIRN fiber lens is studied by the method of "equivalent taper. " This method is easy to be used to calculate the gaussian parameters, and of some applicability.
本文采用等效锥形的方法研究了一种类锥形发散梯度折射率纤维的近轴成象，这种方法计算方便，且有一定的适用性。
Conclusion the length of axis, corneal refractive power, lens thickness, anterior chamber depth and age have certain effect on the spherical equivalent refraction.
与角膜厚度、眼压无明显的相关性。结论眼轴长度、角膜屈光力、晶状体厚度、前房深度和年龄对近视度数(等值球镜度数)均有一定的影响。
The lens is set to its widest focal length (38mm of the 35mm equivalent) and a polarizer is stacked on top of the 28mm UV filter.
镜头设置为最广泛的焦距(相当于38毫米的35毫米)和偏光是紫外线过滤堆积在上面的28毫米。
The result shows that eye with gradient-refractive-index-lens and that with shell-lens can get equivalent spherical aberration results.
具有层状结构晶状体的眼睛和具有折射率连续变化的晶状体的眼睛能够给出等价的球差结果。
The result shows that eye with gradient-refractive-index-lens and that with shell-lens can get equivalent spherical aberration results.
具有层状结构晶状体的眼睛和具有折射率连续变化的晶状体的眼睛能够给出等价的球差结果。
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