This paper explicates the theory and practice about how to create peculiar photographs by zoom lens.
本文是關(guān)于如何使用變焦鏡頭進行特殊光影創(chuàng)作的理論和實踐。
This paper is the discussing about the aperture-coefficients of the Zoom Lens, the formula for the calculating is: F=f/d (where.
該論文是探討變焦鏡頭的光圈系數(shù) ,鏡頭的光圈系數(shù)的計算公式 :F=f/D(其中 :F為光圈系數(shù) ,f 為鏡頭焦距 ,D為光圈開口直徑 ) 。
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.
傳統(tǒng)上,在設(shè)計變焦距鏡頭時都要利用高斯光學(xué)求解變焦距的各組元焦距、組間隔。
Zoom lens has increasing applications for its inherent properties.
變焦距鏡頭由于其固有特點而得到越來越廣泛的應(yīng)用 ,目前 ,連續(xù)變焦的變焦距鏡頭普遍采用機械補償型光學(xué)結(jié)構(gòu) ,其中的特定光學(xué)透鏡組通過凸輪的驅(qū)動沿光軸連續(xù)移動 ,從而實現(xiàn)連續(xù)變焦 ,其可變組元數(shù)大多為二組或更多。
The design of zoom lens control system based on TMS320LF2407A is introduced in this paper.
文中介紹以DSP芯片TMS320LF2407A為核心的連續(xù)變焦鏡頭控制系統(tǒng)的設(shè)計,主要包括變焦距鏡頭的變焦原理、控制系統(tǒng)硬件電路的構(gòu)成、電機控制電路的設(shè)計以及軟件結(jié)構(gòu)。
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.
突破了對像面漂移量的有理函數(shù)計算傳統(tǒng) ,考慮到組元運動曲線的間斷性 ,給出了變焦距鏡頭高斯光學(xué)全新的最優(yōu)化設(shè)計方法 ,借助于切比雪夫多項式 ,做到了任意組元聯(lián)合直線運動的光學(xué)補償 ,以及實現(xiàn)了簡便的和有效的任意組元任意變焦方式的機械補償。
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.
在視覺人機交互中,為實現(xiàn)光學(xué)系統(tǒng)成像放大率不變,采用電動變焦鏡頭,基于圖像處理跟蹤人眼特征信息,自動變焦實現(xiàn)圖像大小不變。
It has a built-in zoom lens as well.
它也有內(nèi)置的變焦鏡頭。
To simulate such a movement, as by means of a zoom lens.
好象用變焦鏡頭推近或拉遠
mechanical compensation
【光】機械式補償法﹝變焦鏡頭的變焦法之一，其移動鏡片作獨立式補償﹞
optical compensation
【光】光學(xué)式補償變焦法﹝變焦鏡頭的變焦法之一，所有移動鏡片均作相對式補償方法﹞
This figure is often bumped up by a digital zoom, which magnifies the image further by blowing it up.
這一數(shù)碼在數(shù)碼變焦鏡頭上會更大，數(shù)碼變焦鏡頭會把圖像進一步放大。
"I prefer a build-in zoom lens, like the one I have. "
我喜歡如我所有的那種固定式變焦鏡頭。
Accuracy Analyrie and Adjustment of the Cam Curve in High-amplification and Varying-focus Camera gun
高倍率變焦鏡頭凸輪曲線的精度分析與整調(diào)
It's a no nonsense point-and-click camera that can also store movie and audio clips.
其點式快門、存儲電影/象片、倍的變焦鏡頭、動對焦等可都不可小看。
Camera with pan/tilt/zoom. Mount type can be specified.
帶有全景/傾斜/變焦鏡頭的照相機。可指定安裝類型。
autofocus zoom lens
自動聚焦變焦距鏡頭
manual zoom lens
(鏡頭)手控可變焦距透鏡
auto iris zoom lens
自動光圈變焦距鏡頭
The Study of Zoom Telephoto Lens and Single Lens Reflex;
長焦連續(xù)變倍單鏡頭反光照相鏡頭技術(shù)研究
He used a 28-80mm lens to make the photo.
他用的是一個有28-80毫米變焦的鏡頭。
long focus lens
長焦距（望遠）鏡頭
variable focal length (cylindrical) lens
變焦(距)(圓柱)透鏡
Lifting up her camera, she took out a zoom lens and put it on.
她舉起照相機，取出一個變焦距鏡頭換上。
Design of 2.5×Zoom Camera Lens within Cell Phone
2.5倍光學(xué)變焦內(nèi)置式手機攝像鏡頭的設(shè)計