1.
Hybrid Diffractive/refractive Design of a 50mm- Focal- Length Camera Lenses
50mm标准照相物镜折/衍混合设计
2.
Objectives which consist only of one lens can be used for visual and photographic observations.
由单透镜组成的物镜可作目视和照相观测用。
3.
objective lense for cameras, projectors or photographic enlargers or reducers
照相机、放映机或照片扩大或缩小机物镜
4.
a telephoto lens
远距照相镜头, 摄远镜头
5.
In camera, the lens must be focused on the object to be photographed.
照相机内的镜头必须对准要拍照的物体调节焦距。
6.
twin-lens reflex 120 camera
双镜头反光120照相机
7.
exposure-meter for microphotography
显微镜照相用曝光表
8.
Cameras have lenses at the front.
照相机的前面装有镜头。
9.
three cameras and five lenses;
三架照相机。 五个镜头。
10.
She always photographs well.
她照相总是上镜头。
11.
step and repeat lens
步进重复照相机镜头
12.
four-barrel step and repeat camera
四镜头分步重复照相机
13.
electron microscopic autoradiography
电镜自动放射照相术
14.
single-lens reflex camera
单镜头反光式照相机
15.
a camera lens that magnifies the image.
放大图像的照相机镜头。
16.
"It is also used as a component of alloys, in phosphors for fluorescent lamps, and in the glasses of certain optical components, such as camera and microscope lenses. "
锗还用作合金组分、萤光灯的磷光粉和作照相机广角镜头和显微镜物镜等光学玻璃组分。
17.
lens (excl. ophthalmic lenses and objective lenses for cameras), glass, optically worked mounted
透镜（不包括眼用透镜和照相机上的物镜）,玻璃的,经光学加的,安装好的
18.
the parabolic reflector of a searchlight
探照灯的抛物面反射镜