zoom lens

According to the comprehensive evaluation of the final optical system, this structure could achieve the requirements of large field zoom lens in the digital camera. All the lenses composing the zoom system are spherical lens, so the production cost could be reduced effectively.

评价结果表明，这种结构形式可以实现大视场要求的数码相机变焦距物镜设计，组成系统的全部镜片都为球面透镜，使加工变得容易，降低生产成本。

Photographic techniques ( incl. zoom lens and infra red cameras )

摄影技术 ( 包括变焦距镜头及红外线照相机 )

The next chapter talks about the theory of zoom lens design.

紧接着,分析了变焦距系统的高斯光学,论述了变焦距系统设计的理论.

If you want the utmost in sharpness, don't buy a zoom lens.

如果你追求绝对锐度, 那就别买变焦镜头.

Your camcorder should have these basic functions: auto focus, playback facility and zoom lens.

你的摄像机应该具备以下基本功能: 自动聚焦 、 回放和变焦.

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

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。

Use the the platform automatic tracking model to always lock the target in the video screen center. ( 3) Build the lens automatic zoom model.

通过云台自动跟踪模型，系统将目标实时锁定在画面中央。（3）建立了镜头自动变倍模型。

Design of Infrared Optical Zoom Lens System Based on DSP

基于DSP的红外双视场调焦系统设计

To study the structure of telecentric beam path for zoom lens system, the axial displacement equation for the stop was deduced, which keep the system telecentric in all zoom position.

进一步研究变焦距系统远心光路的结构特征，得出了使系统在整个变焦过程中都处于远心位置的光阑轴向位移方程。

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.

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。

Design of Guide Rail for the Variable Magnification Unit and Compensation Unit in Zoom Lens

变焦距镜头变倍组和补偿组移动导轨的设计

Finally, the article illustrates the example of designing a zoom lens for professional TV camera.

并给出了专用电视摄像机变焦距设计的实例.

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

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。

One of these may be a zoom lens , which can focus off object far or near.

镜头之一为变焦镜头,可以拍近也可拍远.

Solving the Cam Curve of the Compensating Group about Zoom Lens Using Dynamic Optical Theory

应用动态光学理论求解变焦光学系统补偿组凸轮曲线

The cam CAD system for optical zoom lens applys computer technology to design zoom lens automatically with high precision and high efficiency.

光学变焦凸轮计算机辅助设计系统是应用计算机技术，实现对变焦凸轮高精度、高效率的自动化设计。

" I prefer a build-in zoom lens , like the one I have. "

我喜欢如我所有的那种固定式 变焦镜头.

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.

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

This makes it easier to steady the camera properly, and should help to control camera shake, especially if you frequently use the telephoto zoom lens or longer.

这使得它更容易稳定相机正常，并应有助于控制相机的抖动，特别是如果您经常使用或更长的变焦长焦镜头。

S : Yes, some of them include a built-in zoom lens with wide-angle and telephoto settings.

可以, 有些自动机具备 广角 镜及远摄镜功能的内 置 变焦镜.

The continuous telecentric zoom lens for a digital light processor ( DLP) projector with prisms is presented.

介绍了含有棱镜系统的数字光处理器（DLP）投影仪连续变焦距远心镜头的设计。

It has a built-in zoom lens as well.

它也有内 置 的变焦镜头.

By virtue of comparing two methods of zoom lens compensation? optical compensation and mechanical compensation, the former way is selected to achieve the zoom purpose.

通过对机械补偿和光学补偿法比较，选择光学补偿方法实现变焦目的。

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

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。

I have a camera with a zoom lens.

我有架带有变焦镜头的照相机.

Three-component zoom lens appeared in this form to be some need.

三组元变焦目镜就是在这种形式下出现的。

your camcorder must include a zoom lens and playback facility among its essential features, such as autofocus.

你的便携式摄像机必须在其基本功能中包含变焦镜头和回放设施，例如自动对焦。