The observation lens is the single-tube visual lens, eyeglass is made of a concave lens, and the inner part of a lens tube is provided with a visual distance increasing device.
所述的观测镜是单筒目视镜，目镜用凹透镜制成，镜筒内部设有视距增长装置。
The apparatus consists of the standard color plate, optical lens, the light source was observed, colorimetric tube.
本仪器由标准色盘、观察光学镜头、光源、比色管组成。
Because the power stable, selection of long life laser tube and import lens combination, make ZT series shake the machine service life and reliability is greatly increased.
由于选配了功率稳定、超长寿命的激光管和进口镜片组合，使得ZT系列刻章机寿命和可靠性大大提高。
Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a Barlow lens.
除去延长管缩短间隔让任何的用两眼的观众到达没有一个巴罗镜的焦点。
As a means for CO 2 laser beam, the handpiece for articulated arms was consisted of couple, fiber connecter, flexible metallic tube, lens.
用卤化银多晶光纤制成在关节式导光臂上使用的卤化银光纤手术刀头。 手术刀头由耦合器、光纤连接器、柔性金属管、聚焦透镜座等组成。
This Fisheye attachment screws onto the filter adapter tube via a 52mm filter thread and works very well with the included 12.5x Macro Lens attachment allowing superior close-up photography.
这到过滤器转接筒鱼螺丝附件过滤器通过一个52毫米螺纹和工作得很顺利，包括12.5x微距镜头的附件，允许优秀近距离拍摄。
This Fisheye attachment screws onto the filter adapter tube via a 52mm filter thread and works very well with the included 12.5x Macro Lens attachment allowing superior close-up photography.
这到过滤器转接筒鱼螺丝附件过滤器通过一个52毫米螺纹和工作得很顺利，包括12.5x微距镜头的附件，允许优秀近距离拍摄。
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