透镜单元，镜筒，光学装置，图像读取单元，扫描仪和图像形成设备。
Lena unit, lens, optical device, image reading unit, scanner and image forming device.
透镜驱动装置，透镜筒，光学设备和组装透镜驱动装置的方法。
Lens driving device, lens barrel, optical apparatus, and method for assembling lens driving device.
本文介绍了一种用显微镜筒与透镜构成的光学系统来实现光源与光纤耦合的方法。
With an optical system composed by dressing-case of microscope and lens, this method provide lots of merits such as durability, convenience and high coupling efficiency.
本文从其光学方案的选择、变倍方式的选用，变焦镜筒的结构设计多方面进行了深入阐述和研究。
In this paper, the selection of optical scheme, the choose of zoom mode and the mechanical design of the zoom cone have been deeply expounded and studied.
它由外层密封恒温外套、中间层镜筒、内层为分隔固定光学透镜元件的透镜框组件组成。
It consists of outer layer sealing constant temperature jacket, middle layer objective sleeve and inner layer as lens frame to partition and fix optical lens elements.
它由外层密封恒温外套、中间层镜筒、内层为分隔固定光学透镜元件的透镜框组件组成。
It consists of outer layer sealing constant temperature jacket, middle layer objective sleeve and inner layer as lens frame to partition and fix optical lens elements.
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