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。
I slung one camera around my neck, put the other with the longer zoom lens in a backpack, and started pedaling.
我脖子上挂着一只照相机，把较长的变焦透镜放在一个背包里，并开始踩踏自行车。
If you have a macro lens, macro feature on your lens or compact camera then this is for you.
如果你有一支微距镜头或者便携数码相机，那么这个场景就是为你准备的。
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。
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。
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。
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。
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。
Their single eye represents a camera lens, which will help them see the world, and respond to it.
这一只眼睛象征着摄像头，将带他们去看世界，并且做出反应。
Then there is the camera, the telephoto lens, and the cellphone with a camera.
然后就是相机、长焦镜头、带摄像头的手机。
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 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。
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。
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。
If you have a subject with long and thin fingers a pose like the one above will allow you to use the thumb or index finger closer to the camera lens.
如果你的模特手指细长，你也可以像上图一样，让拇指或者食指最靠近镜头。
In other words, you'll never get results for a camera lens or camera accessories when you're searching for just a camera because Gazaro knows those are not the same things.
比如，你搜索相机，它的搜索结果觉得不会包含相机镜头或相机配件。因为，对Gazaro，它们是不同的事物。
The camera is about as wide as a nickel and has two main parts, a lens and a sensor array.
这个摄像头大小与5美分硬币相近，由镜头和传感器阵列两个主要部分组成。
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。
He cut a small hole for the lens then hooked the camera up to a computer programme that instructed it to take photographs every five seconds.
他在盒子上开了一个小口以便让镜头伸出，之后为相机设定电脑程序，使其每五秒钟拍摄一次。
A typical camera works by recording where light strikes the focal plane-the area onto which rays passing through a lens are captured.
一个典型的摄像机以记录光照射的焦平面上的方式工作——通过镜头被捕获的光线区域。
One limiting factor is the viewing Angle, which is comparable to using a camera lens: a telephoto lens has a narrower view than a wide-angle lens.
限制因素之一就是观察角度，这与使用照相机的情况类似：长焦镜头的视野比广角镜头的观察角度要窄得多。
One limiting factor is the viewing Angle, which is comparable to using a camera lens: a telephoto lens has a narrower view than a wide-angle lens.
限制因素之一就是观察角度，这与使用照相机的情况类似：长焦镜头的视野比广角镜头的观察角度要窄得多。
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