查询词典 lens

In addition to the Eclipse lens cap system, the water resistant Viking utilizes a soft, one-piece eyecup to prevent external light distortion and light leakage from the device, allowing the user to remain hidden in the night.

除了Eclipse镜头盖系统，耐水海盗式采用了软式一体眼罩，以防止外部轻微失真和轻微渗漏，让用户仍然隐藏在黑暗之中。

And another that corrects for near vision, as an eyeglass lens.

双光的一个矫正远视而另一个矫正近视的，如眼镜

An eyeglass for one eye.A single lens in a pair of glasses; a monocle.

单片眼镜一对眼镜片中的一个单透镜；单片眼镜

The maximal diameter of lens and the overall weight of this eyepiece are 26 mm and 7 g, respectively.

该目镜的最大镜头直径为26 mm，总重量为7 g。

F f-Number: A symbol that expresses the relative aperture of a lens.

f-制光圈∶一个表示镜头的相对光圈的单位。

The lens system adopted the Reverse-Telephoto configuration which had an effective focal length of 5.5mm,an F-number of F/4 ,a field of view of 175°,and a working wavelength in the range of visible spectrum.

系统焦距为5.5mm，相对孔径为1/4，全视场角175°，光谱范围为可见光波段，采用了3组10片的反远距型结构。

This paper presented an optical system of star sensor. The lens system was a complicated double- Gauss configuration which had an effective focal length of 51 mm, an F-number of F/1.1, a field of view of 21°×21°(2ω=30°),and a working wavelength rang of 0.5~0.85 μm.

介绍了一种用于卫星姿态控制的星敏感器光学系统，该光学系统焦距为51 mm，相对孔径为1/1.1，视场角为21°×21°（圆视场2ω＝30°），光谱范围为0.5～0.85 μm，采用了复杂化双高斯结构。

Use zoom-in function in live-view mode while the lens has been stopped down to the designated f-stop.

当使用特定的镜头光圈值时，在实时取景拍摄时，使用放大功能对焦。

Since I do a lot of "general use" I have no complaints aside from the wishful thinking of a magic lens adapter that reduces to image circle to my *Ist while improving the F-stop an giving it the same angle of view of the 24-90 on 35mm.

因为我只是做一般用途，我没什么其他的抱怨，除了想要一个镜头转接环，用来减小它的成像圈，这样当我改进了F-stop 后在我的*ist上能得到和24-90mm一样的视角。

Closing the shutter reduces the exposure, allowing high-speed film to be used outdoors or allowing the lens to be opened to decrease depth of field or shooting at a selected f-stop.

关掉快门会减少曝光，这样可以用与户外高速摄影或用于打开镜头减少景深或用于有选择的设。

The narration of the course of the battle.

叙述战斗的过程。

I am a postgraduate,Chinese Academy of Social Sciences.

我的是大白话