This paper explicates the theory and practice about how to create peculiar photographs by zoom lens.
本文是关于如何使用变焦镜头进行特殊光影创作的理论和实践。
This paper is the discussing about the aperture-coefficients of the Zoom Lens, the formula for the calculating is: F=f/d (where.
该论文是探讨变焦镜头的光圈系数 ,镜头的光圈系数的计算公式 :F=f/D(其中 :F为光圈系数 ,f 为镜头焦距 ,D为光圈开口直径 ) 。
All the parameters of the zoom system are achieved with mathematic software,which solves a nonlinear equation group set up with a ray-transmission matrix of the zoom lens,based on the theory of the matrix optics.
传统上,在设计变焦距镜头时都要利用高斯光学求解变焦距的各组元焦距、组间隔。
Zoom lens has increasing applications for its inherent properties.
变焦距镜头由于其固有特点而得到越来越广泛的应用 ,目前 ,连续变焦的变焦距镜头普遍采用机械补偿型光学结构 ,其中的特定光学透镜组通过凸轮的驱动沿光轴连续移动 ,从而实现连续变焦 ,其可变组元数大多为二组或更多。
The design of zoom lens control system based on TMS320LF2407A is introduced in this paper.
文中介绍以DSP芯片TMS320LF2407A为核心的连续变焦镜头控制系统的设计,主要包括变焦距镜头的变焦原理、控制系统硬件电路的构成、电机控制电路的设计以及软件结构。
A novel optimized computation method for designing the Gauss optics parameter of zoom lenses is presented and discussed, including optical compensating method with moving of many groups of lenses by using Chebyshev polynomials and mechanical compensating method with many zoom formations by using nonlinear least square method.
突破了对像面漂移量的有理函数计算传统 ,考虑到组元运动曲线的间断性 ,给出了变焦距镜头高斯光学全新的最优化设计方法 ,借助于切比雪夫多项式 ,做到了任意组元联合直线运动的光学补偿 ,以及实现了简便的和有效的任意组元任意变焦方式的机械补偿。
In order to keep image-magnifying rate of optical system unchanged in eye-gaze human-computer interaction, automatic zoom is used to keep image size by motorized zoom lens and eye characteristic which is tracked based on image processing.
在视觉人机交互中,为实现光学系统成像放大率不变,采用电动变焦镜头,基于图像处理跟踪人眼特征信息,自动变焦实现图像大小不变。
It has a built-in zoom lens as well.
它也有内置的变焦镜头。
To simulate such a movement, as by means of a zoom lens.
好象用变焦镜头推近或拉远
mechanical compensation
【光】机械式补偿法﹝变焦镜头的变焦法之一，其移动镜片作独立式补偿﹞
optical compensation
【光】光学式补偿变焦法﹝变焦镜头的变焦法之一，所有移动镜片均作相对式补偿方法﹞
This figure is often bumped up by a digital zoom, which magnifies the image further by blowing it up.
这一数码在数码变焦镜头上会更大，数码变焦镜头会把图像进一步放大。
"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。
Accuracy Analyrie and Adjustment of the Cam Curve in High-amplification and Varying-focus Camera gun
高倍率变焦镜头凸轮曲线的精度分析与整调
It's a no nonsense point-and-click camera that can also store movie and audio clips.
其点式快门、存储电影/象片、倍的变焦镜头、动对焦等可都不可小看。
Camera with pan/tilt/zoom. Mount type can be specified.
带有全景/倾斜/变焦镜头的照相机。可指定安装类型。
autofocus zoom lens
自动聚焦变焦距镜头
manual zoom lens
(镜头)手控可变焦距透镜
auto iris zoom lens
自动光圈变焦距镜头
The Study of Zoom Telephoto Lens and Single Lens Reflex;
长焦连续变倍单镜头反光照相镜头技术研究
He used a 28-80mm lens to make the photo.
他用的是一个有28-80毫米变焦的镜头。
long focus lens
长焦距（望远）镜头
variable focal length (cylindrical) lens
变焦(距)(圆柱)透镜
Lifting up her camera, she took out a zoom lens and put it on.
她举起照相机，取出一个变焦距镜头换上。
Design of 2.5×Zoom Camera Lens within Cell Phone
2.5倍光学变焦内置式手机摄像镜头的设计