双眼的透镜能够各自调节清晰度。
Lenses for each that can be individually adjusted for sharpness.
讨论了由单一二次反射镜和放在其后的两透镜无光焦度校正板组成的光学系统的像差特性。
The aberration characteristics of the optical system of a single conic reflector and a two-lens null corrector are discussed.
重点讨论了眼镜片(透镜)中心透射比标准测量装置测量不确定度的来源，详细分析各不确定度分量的评定。
We discuss the sources of the measurement uncertainties of standard equipment for spectacle lens (lens) center transmittance and analyze each components of uncertainty.
透镜可以改变光波的聚散度。
基于自聚焦误差检测和光路可逆原理，分析并实验证明了利用一种多功能全息透镜来测量类镜表面平整度的可行性。
A multifunctional holographic lens is presented based on autofocus error detection and the principle of reversibility of light. Its feasibility of the mirror-like surface is described.
使用薄膜沉积法制作16阶菲涅耳透镜，用它代替常规的光学透镜可实现系统的轻量化、小型化，并增加系统设计的自由度。
The thin film deposition is used to make 16 step Fresnel lens . It can implement system′s lightweight, miniaturization and increase free degree of the design.
目的：证实采用接触镜专用标准透镜组标定的焦度计不能准确测定被测角膜接触镜的顶焦度。
Objective:To confirm that the lensometer adjusted by the special lenses group for contact lenses can't express the back vertex power of contact lenses.
本文论述了用波差法求解星模拟器上的光学系统各透镜光焦度和曲率半径的方法。
The method is argued in the paper which is used to obtain dioptrie and radius of lens of optical system on the apparatus of artificial star by wave aberration.
通常采用单个透镜，透镜组或者光纤微透镜的方式来改善半导体激光器的出射光束质量，提高耦合效率和容忍度。
The mostly used techniques to improve the coupling efficiency and alignment tolerance include using micro single lens, micro lens group and lensed fiber.
介绍了一种轴对称非球面透镜的光轴共轴度的测量方法。
A method to measure coaxiality of axisymmetric aspheric lens is introduced.
无论是清色度，准确度及聚焦能力各方面均比传统的FRESNEL透镜高出30%。
Regardless of the color-accuracy and the ability to focus in the traditional FRESNEL than 30% higher than the lens.
利用物距、像距法测量薄透镜的焦度是几何光学中最常用的方法。
Measuring the focal lengths of thin lens by means of object distance and image distance is a commonly utilized method in geometric optics.
应用表面热透镜技术研制了薄膜吸收测量仪，测量结果表明其吸收率测量灵敏度和精度均达10- 6量级。
A measurement apparatus for thin film absorption based on STL technique is constructed. The measuring results prove that the sensitivity and accuracy of this instrument reach 10 -6 magnitude.
仿真结果与实际的测量结果对比表明，用本文的方法可以对非球面透镜进行高精确度、低成本的测量。
In order to have an efficient method of measuring aspherical lens, the authors use CGH interferometry with the mach-zehnder interferometer to test aspherical lens.
再利用球面偏心测量原理检测被测透镜球面一面的偏心量，即可以求得被测非球面透镜的光轴共轴度。
Then the eccentricity of the sphere side of the tested lens is measured according to the principle of the spherical eccentric measurement.
使用薄膜沉积法制作1 6阶菲涅耳透镜，用它代替常规的光学透镜可实现系统的轻量化、小型化、增加系统设计的自由度。
We use the thin film deposition to make 16 step fresnel lens, which can obtains lightweight system, miniaturization and increases free degree of the design.
螺线管磁场透镜不可避免地具有球差，因此引起束流发射度增加。
Solenoids show inevitability their spherical aberration, which increases beam effective emittance.
微透镜型光纤氢气传感器结构设计简单、灵敏度高、响应速度快，并且可以进行多次复用。
The micro-mirror fiber-optic hydrogen sensor is a kind of optical sensor with simple structure, high sensitivity, strong stability, and good reusability.
后座反射镜，视野宽阔，不会阻碍后视镜的能见度，也不需将孩子直接对着后视镜，凸透镜最大最清晰地映射出所有后座镜子的情况。
Easy View does not block rear visibility and does not need to be positioned directly over a child. The shallow convex shape offers the largest, clearest reflection of any back seat mirror.
体积小；光学透镜，光线清晰，低发散度，垂直度好，高精确度，工业适用性强。
It has small body, optics, clear beam and low divergence and favorable verticality and high accuracy and industrial strength.
为了提高仪器探头的集光本领，在探头的端面处又粘一自聚焦透镜，从而可提高仪器的灵敏度以及测量精度。
In order to improve the sensor ability of collecting light, the authors add a self focus len on the to…
为了提高仪器探头的集光本领，在探头的端面处又粘一自聚焦透镜，从而可提高仪器的灵敏度以及测量精度。
In order to improve the sensor ability of collecting light, the authors add a self focus len on the to…
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