1.
meniscus astrograph
弯月形透镜天体摄影仪
2.
meniscus photoheliograph
弯月形透镜太阳摄影仪
3.
meniscus (shaped) lens
凹凸透镜，弯月形透镜
4.
The lens or lens system in a microscope or other optical instrument that first receives light rays from the object and forms the image.
物镜首先从物体上接收光线并形成影像的显微镜或其它光学仪器中的透镜或透镜系统
5.
Schlieren projection lens
施利仑投影透镜，纹影摄影投影透镜
6.
lens hood for cinematographic cameras
电影摄影机透镜遮光罩
7.
An Instrument for Accurate Measurement of Spectral Transmittance and Colour Contribution Index of Camera Lens
摄影镜头光谱透射率及色贡献指数的精确测定仪器
8.
The curvature of the film is concentric with the mirror behind the meniscus.
胶片的曲率是和弯月透镜后面的反射镜同心的。
9.
On nights with moonshine or mild cloud cover, the telescope instead uses a pair of spectrographs to obtain spectra, and therefore redshifts, of 608 objects at a time.
而在有月光或薄云的夜晚，望远镜则利用一对摄谱仪摄取光谱，可同时测定608个物体的红移。
10.
lens turret
(摄影机或电视机上的)透镜旋转台
11.
The reflector telescope's mirror optics gather light from celestial objects and direct it to an array of cameras and spectrographs.
巨大的反射望远镜的反射镜以光学聚集来自天体的光,转往两部相机和两部摄谱仪。
12.
3D CG image of seven-month-old fetus in the womb-endoscope style, body shot through legs.
3维计算机成像，显示子宫中一个7个月的胎儿。内诊镜方式，透过腿部拍摄的身体。
13.
Anastigmatic lens: Photographic lens corrected for astigmatism as well as other distortions. Process camera lenses are anastigmats.
消像差透镜:消除纵横像差和其他畸变的摄影用透镜。制版照相机所用的镜头是消像差透镜。
14.
They have a focal length, and where an image is formed depends on a combination of the focal length and the distance between the object and the lens.
透镜有焦距，而影像形成的位置，取决于焦距及物体与透镜距离的组合。
15.
a stereo video camera leads you to a new world of photos.
立体摄像机带您走进摄影新天地。
16.
fluorite vacuum spectrograph
荧石棱镜真空摄谱仪
17.
No more need to make some change when photo on the focus without eyepiece since no lens on the way to focus, can use barlow too.
因为没有透镜,直接焦点摄影时,不用改动相机,也可以用增倍镜了.
18.
interlocking angle
(三镜摄影机) 锁角