提供了一种用于将透镜镜筒(10)的两个匹配透镜镜筒半体(12,14)锁定的锁定装置。
A locking device is provided for locking two matching lens cell halves (12, 14) of a lens cell (10).
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.
复合显微镜包括两个短焦距凸透镜，即位于镜筒两端的物镜和目镜。
The compound microscope consists of two convex lenses with short focal length, the objective and eyepiece lenses, fitted at opposite ends of a tube.
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