The daguerreotype was a unique image that reproduced what was in front of the camera lens in minute, unselective detail and could not be duplicated.
达盖尔银版是一种独特的图像，它可以再现相机镜头前微小的、无选择性的细节，而且是不可复制的。
It has a lens system to focus light onto the film at the back of the camera.
它的镜片系统可以将光线聚焦到相机后部的胶片上。
The camera lens focalizer has the advantages of simple structure, convenient installation and low production cost.
该相机聚焦设备的优点是结构简单，安装方便，生产成本低。
Now a new design gives this curved camera a boost: the shape of the lens and of its sensor can be changed in synchrony, providing a 3.5x zoom.
如今，一种新的设计再次提升了这种曲面摄像头的性能：通过改变镜头和传感器的形状带来3.5倍的光学变焦。
After scoring, Sneijder sprinted around the field, tapping the front of his head, then ran to a TV camera and tapped the lens.
在进球后，斯内德一边轻敲自己的前额，一边绕着场地急速奔跑，然后跑到一台电视摄象机前，轻弹摄像机镜头。
If you like taking photos of birds or other wildlife, or if you’re just a peeping Tom, you can get a superzoom camera with a built-in lens with an insane focal length.
如果你喜欢拍摄翱翔天际的飞禽和横闯森林的走兽，或者你想要偷拍对面的心动男孩，你可以选择具有内置镜头和大焦距的相机。
A camera at the bottom of the lens tracks the viewers by collecting light coming the other way through the lens and the Angle of the LEDs changes to correspond to the viewers' movements.
透镜底部的摄像头通过收集反射回来的光线定位观众的位置，同时发光二极管的角度根据观众的移动发生改变。
Perhaps it requires a slightly abnormal sort of seeing to notice all this — geeky doctor's glasses, an expensive camera lens, a student who is willing to fail while people watch.
可能这些还是需要某些非常手段才能注意到——比如怪胎医生的眼镜、昂贵的相机镜头，还有敢于在众人面前失败的学生。
I have two devices to me solve mysteries like that: a camera with a macro lens, and a pair of surgeon's glasses, which are heavy metal frames with little binocular telescopes mounted on them.
我有两个设备来揭开这个谜：一架有微距镜头的相机，和一副内置了微型双目显微镜的重金属框架手术眼镜。
As we rode, I used the zoom lens on my camera to scan the crest of a hill above us.
行进中，我通过相机上的变焦镜头扫视我们上方的山峰。
I was replacing a camera with a glued on lens piece that had fallen off when one of my kids played with it.
只是当我的孩子玩耍相机后，用胶水把破碎的镜头粘好。
Through-The-Lens (TTL) mode, on the other hand, puts the flash unit’s output under the control of the camera and flash.
另一方面，TTL模式是由相机和闪光灯决定输出光量的。
Some of the images of delicate embryos were taken by a regular Hasselblad camera with macro lens.
某些美妙胚胎图像是用带微距镜头的正规Hasselblad相机拍摄的。
So if I had a spare moment, I would hold the applique in front of the camera, at one corner, and shoot a couple of frames with a 24-millimeter lens, showing the ducky in its latest context.
因此我一有空，就会在一个角落里拿出这个小鸭贴花，将它举起在镜头前，以20毫米的镜头喀嚓拍两张，让小鸭出现在照片中的最前面。
If you forgot your camera, are out of film, or your digital card is full, if you have to fumble around getting the right lens on, the moment may be gone before you can recover.
如果你忘记了你的相机，或者没上胶卷，或者储存卡已满，如果你不得不笨拙地上对镜头，这个时机也许在你拍摄之前就流失了。
It isn't a speck of dust, it isn't a smudge on the camera lens or on your monitor.
这可不是灰尘瑕疵，也不是照相机镜头或者你的屏幕上的污垢。
When you press the shutter release on the camera, a complex sequence of events occurs, including setting the aperture in the lens, flipping up the mirror of an SLR and a lot more.
实际上，当你按下快门时，一套复杂的程序开启，包括镜头内光圈的设置、一块单镜头反射镜的升起和其他更多的步骤。
He said - let me show you what I mean and proceeded to take my camera (and zoom lens) and take two images of me.
他讲，我还是用你的变焦镜头拍两张你的照片来给你说吧。
Eye of the beholder: Inside this experimental camera, a stretchable sensor array sits below a liquid lens.
旁观者之眼：这个实验用的摄像头内建了一组可弯曲传感器阵列，这个传感器阵列位于液态镜头的下方。
This works best with a compact set on a tripod; simply hold a removed lens from the sunglasses' frame as close to the front of your camera lens as possible.
在三脚架上放张光盘，把拆下来的镜片就用手拿着，尽可能靠近镜头。
The camera is only part of the equation when it comes to image quality; the lens has an equally important role to play.
机身仅仅是决定成像质量的一部分，镜头同样重要。
There was blood and bits of white flesh on his face and on his flak jacket and on his camera lens.
他的脸上、防弹衣上、摄像头上都有鲜血和小块块的白色的肉。
Just like a lens has a range of apertures, your camera has a range of shutter speeds.
就像镜头有一个光圈范围，你的相机也有一个快门速度的范围。
In fact, according to Gampat, an 85mm lens is a vital part of anyone's camera bag.
据甘帕特介绍，事实上，85mm镜头是每位摄影人士的必备镜头。
In fact, according to Gampat, an 85mm lens is a vital part of anyone's camera bag.
据甘帕特介绍，事实上，85mm镜头是每位摄影人士的必备镜头。
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