镜头焦距

失焦模糊是指摄影摄像过程中，目标物体所处位置不在光学镜头焦距附近，导致成像不清晰。

When the position of object in image is out of focus or far from the optical focal length , result photos will have defocus blurring .

经试验验证该方法具有很好的校正效果，同时分析控制点布设密度、镜头焦距对校正效果的影响。

By experiments demonstrate that the method has good correction effect . Analysis the affection of control points density and lens focal length to correction effect .

基于CCD的航空相机镜头焦距自动测量系统

Auto-measuring system of aerial camera lens basing linear CCD sensor

利用线阵CCD实现航空相机镜头焦距的自动测量

Auto - measuring System of Aero - camera Lens Focus Using Linear CCD

提出了一种以线阵CCD固态传感器取代读数显微镜的航空相机镜头焦距测量系统。

An auto measuring system of aerial camera lens is presented , which substitutes linear array CCD sensor for reading microscope to measure the focus of aerial camera lens .

摄影中拍摄距离与镜头焦距的运用

The application of shooting distance and lens focus in photography

相机镜头焦距自动测量系统的设计及精度分析

Design and Accuracy Analysis of Camera Lens Measuring System

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

拍摄距离与镜头焦距是摄影中影响构图的两个重要因素。

Shooting distance and lens focus are two important factors that affect composition of a picture in photography .

的10倍徕卡直流28-二百八十○毫米（相当于）镜头焦距，以适应几乎所有的风格和主题，在一个非常有用的单位。

The10x Leica DC28-280mm ( equivalent ) lens provides focal lengths to suit almost every style and subject , in a single very useful unit .

应用本实用新型，使头戴显示器的调焦不受应用空间的限制，且可调整镜头焦距，保证使用者观看到的图像的清晰度。

The head-mounted display can adjust focuses without the limit of application space and can ensure the definition of images that users are watching by adjusting the focuses of the lens .

根据手机镜头焦距短，可调范围窄等特点，全面分析了噪声，视场，清晰度评价函数，窗口选取等各种因数的影响。

In view of the character of short focus length and small adjustable range , we have analyzed the effects of the noise , field , evaluation function of sharpness definition and window .

正组补偿变焦距镜头的焦距输出函数

Study on Focal-Length Function or Positive Compensating Zoom Lens

摄影机镜头的焦距在摄影规范中起着重要的作用。

The focal length of the camera lens plays an important role in photo criteria .

相机镜头直径焦距比。

The ratio of the focal length to the diameter of a ( camera ) lens system .

使用两种方式测试成像镜头的焦距，测试结果与理论值偏差分别为-1.12%和-1.24%。

The focal length is tested in two ways and the results deviate from the theoretical values by-1.12 % and-1.24 % .

它根据跟踪目标的远近、大小和形状等因素实时改变跟踪电视镜头的焦距，从而改变跟踪视场，捕获各种复杂目标。

It can change focus of tracking TV according to tracking object size , distance and shape , so it changes the tracking inspect field to capture any complicated objects .

本教程涵盖了适用于任何相机的基本概念，比如镜头的焦距和摄影机的位置。

The course covers fundamental concepts that apply to any camera , such as focal length and camera position , and shows how to evaluate and shop for DSLR lenses .

要使航空相机获得高质量的图像，必须保证镜头的焦距和实际成像面的位置符合技术要求。

To get images of high quality with aerial camera , the focus of the lens and the situation of the real image plane must accord with the technical standards .

在选择口腔正畸用数码相机时应根据需要选择合适的机型，考虑的因素包括相机的分辨率、镜头的焦距、照片的存储格式、电池容量等。

Some considerations , such as the resolution , lens focal lenth , the format of images and the battery , should be taken into account when we select a digital camera for orthodontic records .

另外镜头的最短焦距被进一步缩短为4.6英尺，比第一代镜头的最短焦距缩短了8英尺。

It also shortens the minimum focusing distance to4.6 feet , eight inches better than the first generation lens .

对非量测数码相机进行近景摄影测量进行精度检测，通过施加镜头畸变改正和焦距误差改正，其测量结果能达到很好的测量精度。

Non-metric digital camera lens correction and adjustment of the focal length , accuracy and detection , to achieve good measurement accuracy .

广角镜头：覆盖范围广阔的镜头.它的焦距长度短于所用菲林格式的对角线长度。

Wide-angle lens : Lens with wide covering power . It has a focal length which is less than the diagonal of the film format with which it is being used .

基于应用光学理论，设计物镜镜头组，柯拉照明系统，并对镜头组的变焦距拆分、扫描法等作了研究。

Object lenses and kohler illumination system are designed based on application optics theory . Splitting and linking of zoom lens , scan system is studied .