Make sure the camera lens is at eye level or just slightly higher. Any lower and you'll look like you have a double chin.
保证相机的镜头是在你眼睛或者是稍高的水平线上，比这个水平低一点的话都会使你看起来有双下巴。
Even the simple trilobite has an eye (complete with its double lens system) that's considered an optical miracle by today's standards.
按照今天的标准，即使是简单的三叶虫，它的眼睛(完美的双镜头系统)也是一个光学奇迹。
The HS350 has a 12x optical zoom lens and, like newer camcorders, records 5.1-channel surround sound; it can double as a still camera for 10.6-megapixel shots.
HS350配备了12倍光学变焦镜头，并支持5.1环绕声录音技术。还可以作为一千六百万像素相机使用。
Just as a double convex lens enlarges so a double concave lens reduces.
正象双凸透镜可以放大那样，双凹透镜也可以缩小。
Based on Lau effect in double grating, the focal distance of lens is measured.
根据计量光栅的特点，可以利用双光栅效应测量透镜焦距。
Just AS a double convex lens enlarges, so a double concave lens reduces.
正象双凸透镜可以放大那样，双凹透镜也可以缩小。
The Angle spectrum analysis of self-image of double frequency grating is given. The grating duplication and the measurement of lens focus are obtained by Tablot effect of holographic phase grating.
本文给出了双频光栅自成象的角谱分析，并利用位相型的全息双频光栅的太保效应来进行复制光栅和测定透镜焦距等。
In order to raise the couple efficiency of pumping double cladding fiber laser, the beam is reshaped with rectangular prisms, spatial filtered and focused with aspheric lens.
为了提高双包层光纤激光器泵浦光的耦合效率，对泵浦光采用直角棱镜组进行了光束整形、空间滤波、非球面镜聚焦。
Guangzhou li Sheng Industrial co., Ltd. (VAHID) is a Sino-foreign cooperation in the professional production HID car headlights and fog lights dedicated single light, double light lens.
广州力晟工贸有限公司(VAHID)为一家中外合作专业生产HID汽车大灯与雾灯专用的单光、双光透镜。
The utility model relates to a focusing lens used for a double-wavelength OCT system.
本实用新型涉及用于双波长oct系统的聚焦镜头。
The utility model relates to a focusing lens used for a double-wavelength OCT system.
本实用新型涉及用于双波长oct系统的聚焦镜头。
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