变焦镜头

你的便携式摄像机应该具备以下基本功能：自动聚焦、回放功能、变焦镜头。

Your camcorder should have these basic features : autofocus , playback facility , zoom lens

凡Swift的英美烟草公司提供了一个广角认为，船上钱德拉X射线天文台像变焦镜头和解决详细百倍小担任X射线望远镜。

Where Swift 's BAT provided a wide-angle view , the X-ray telescope aboard the Chandra X-ray Observatory acted like a zoom lens and resolved details a hundred times smaller .

然后根据设计要求确定了光学镜头的参数，选择了初始结构，并设计出20～200mm的可见光变焦镜头，研究了变焦距系统的像差理论，给出了设计结果。

Then according as the design requests , calculate the parameters of lens , select the original configuration , and work out a 20 ~ 200mm zoom lens , study the aberration theory , present the design result .

内置变焦镜头，夜视距离达50米；

Built-in zoom lens , night vision distance of50 meters ;

它们还内置移动监测和16倍变焦镜头付费软件。

They also offer built-in motion detection and16-camera premium software .

沉筒式数码相机变焦镜头结构仿真分析

Simulative Design for Auto-Zoom Lens 's Canister Style Configuration of a Digital Camera

带有全景/倾斜/变焦镜头的照相机。可指定安装类型。

Camera with pan / tilt / zoom . Mount type can be specified .

正确应用摄像机变焦镜头

The Correct Application of Zoom Lens of Camera

一种摄像机变焦镜头焦距测量的新方法

New focus measuring method of camera zoom lens

伴随计算机技术、精密机械设计和加工技术的发展和推广，以及各类传感器件水平的提高，推动了变焦镜头的蓬勃发展。

Zoom lens is flourishing with the development of computer technology and precision machinery design .

机械补偿法变焦镜头三个发展阶段的概况和发展方向

General Situations of Mechanical Compensation Zoom Lens in Its Three Development Phases and Its Developing Direction

剖析变焦镜头的光圈系数

Analyses of the zoom lens'aperture-coefficient

最重要的是，该变焦镜头和生态模式的灯，可大大减少流明输出相结合。

AE4000.The most important is that the combination of the zoom lens and eco-mode lamp can curtail lumen output significantly .

后者扩大了可视距离，带有多个变焦镜头以及低照度下的对比度和彩色清晰度。

The latter feature extended-distance viewing , choice of varifocal lenses , and contrast and color clarity in low light levels .

它也有内置的变焦镜头。对每一个镜头生成一个全拼图作为表征该镜头内容的图像。

It has a built-in zoom lens as well . Mosaic is generated for each shot as representative image of shot content .

但也别被数码变焦镜头的这些数码搞得高兴地昏了头，它同时也会导致图像失真。

But don 't get carried away with digital zoom statistics , the technology can lead to a loss of image quality .

变焦镜头是一种可实现大视场目标搜索，小视场瞄准跟踪的光学系统。

As an optical system , zoom lens can realize searching target in wide field , aiming and tracking in narrow field .

令人惊讶的是它的轻便、紧凑，证明了超广角变焦镜头未必是大而重的。

Being surprisingly lightweight and compact , it proves the exception to the rule that super-wide angle zooms have to be big and heavy .

变焦镜头在校正像差的同时，还要求像面稳定，才能保证成像质量。

To ensure the imaging quality of the zoom lens , the image plane stabilization should be maintained , while the aberration is corrected .

我的家人（成年人）就因把沙子弄进变焦镜头而毁掉两部数码相机，甚至还让大雨淋坏了一部手机。

My ( grown-up ) family has written off two digital cameras by getting sand in the zoom lens and even lost a mobile phone to heavy rain .

本文以一个35～70mm/F3.5～4.8变焦镜头的光学设计为例，简要地叙述了这一过程。

In this article , the optical design of a 35 ~ 70mm / F3.5-4.5 zoom leas is taken as an example to show this process in brief .

长焦变焦镜头用于军事瞄准时，变焦过程中较大的光中心漂移，降低瞄准精度。

When zoom lens are used for military sighting , the drift of optical center caused by the change of focus length will reduce the sighting accuracy severely .

本实用新型可由景点指引机构获得相关位置后，配合光学变焦镜头单元于源地实时观看各位置影像。

After the view guide mechanism capturing the related position , the utility model cooperates with the optical zoom lens unit to timely view the images in all positions .

采用该设计方法使得在确定变焦镜头的初始结构时，不但步骤简化，而且操作简单方便。

With this design method , not only the determination procedure of the initial constitution of a zoom lens is simplified , but also the operation is simple and convenient .

它位于世界南端最传奇的大陆之上，那里的地形纷繁复杂，摄影师们纵使用变焦镜头也无法一一捕捉。

It befits its position at the southern end of the world 's most epic continent , with more types of terrain than photographers can shake their zoom lens at .

与定焦镜头相比，变焦镜头的放大倍率可变，无需调整光学系统的位置便可以不同分辨率对目标成像，能有效提高探测效率。

Compared with fixed focus lenses , zoom lenses have variable magnification without adjusting their position so that they can image with different resolution and enhance effectively their target detection efficiency .

其拥有26-130mm，f.3.3-5.95x光学变焦镜头，内置超薄型闪光灯。

There 's a26-130mm , f.3.3-5.95x optical zoom lens , a super-thin built-in flash , and one of those little orange light things that 's supposed to help the camera focus in low-light .

诚然，对于专业和半专业的摄影师来说，拥有变焦镜头的大相机总是有用的。而且，在诸如运动会等场合，如果你距离拍摄对象很远，这些相机也是很有帮助的。

Sure , big cameras with zoom lenses will always be useful for professional or semipro photographers , or for times ( like at sporting events ) when you are far from the action .

本论文主要论述了当前应用广泛发展快速的变焦镜头自动对焦系统整体的设计流程，从硬件设计到软件编程。

This paper mainly discusses the whole design process of the cun-ent widely applied to zoom lens auto focus system , from hardware to software programming design , including the design of hardware and software program .

佳能给这支专业大光圈长变焦镜头的升级在外观上看没什么区别，但是内部的升级让它的画质基本上处于同类镜头中的最佳水平。

Canon 's update to its professional fast telezoom may look much the same on the outside , but internally it 's been updated to give image quality that 's quite simply the best in its class .