Some cameras can effectively control the steering, and the lens focal length!
说明：可有效控制一些摄像机的转向、及镜头的焦距！
This method can correct the measurement of the thickness lens focal length lens produced by ignoring the error.
此方法可以修正测量透镜焦距忽略透镜厚度所产生的误差。
Based on that the laser rod is equivalent to gradient index rod (GRIN), a new thermal lens focal length expression was achieved.
把激光棒等效为梯度折射率棒，得到了新的热透镜焦距公式。
Digital SLRs with a lens focal length of 300 to 400mm are recommended, but you can get away with a decent compact with a 10x zoom.
推荐使用带有300 - 400毫米镜头的数码单反相机，但如果有一架有10倍变焦镜头，性能良好的小型相机也可以。
On the basis of thin-lens focal length measurement experiment, the imaging law of refraction-reflection system was further studied.
在薄透镜焦距测定实验的基础上，进一步讨论了折射反射系统成像的规律。
A new experimental scheme of measuring lens focal length has been put forward on the basis of the improved laser plate shearing interference method.
本文在改进的激光平板剪切干涉法基础上，提出了测量透镜焦距的一种新的实验方案。
By assuming the weak lens focal length expression to be the first term in a power series a simple and accurate formula can be derived for the objective focal length of a magnetic electron lens.
用假设弱透镜焦距表达式是一个幂级数中的第一项的方法，可以导出相当准确且便于实用的电磁电子透镜物镜焦距公式。
Depending on the lens' focal length, the image will deform and affect how the image looks in photos.
根据镜头焦距的不同，图像会随之变形并且会影响最终的照片效果。
What excites ophthalmologists most, and what every lens-making company wants to achieve, is an “accommodating” lens that can change its focal length in the same way that a natural lens does.
最让眼科学家兴奋的，而且每一家人工晶体制造公司都想获得的，是一种“善于适应新环境的”晶体，能像天然的晶体一样改变它的焦距。
If you like taking photos of birds or other wildlife, or if you’re just a peeping Tom, you can get a superzoom camera with a built-in lens with an insane focal length.
如果你喜欢拍摄翱翔天际的飞禽和横闯森林的走兽，或者你想要偷拍对面的心动男孩，你可以选择具有内置镜头和大焦距的相机。
Set the focal length on your lens.
给你的镜头设置焦距。
Smaller sensors 'crop' the scene and make a lens appear to have a longer focal length.
更小感光元件会使得镜头产生更长焦距的效果。
Using a group of mirrors and a housing that's almost big enough to use as a coffin, Canon was able to stretch the focal-length on this SLR-specific lens to 5,150mm.
佳能的这款单反相机专用折反镜头采用了一组折反镜片，以及一个跟棺材差不多大的镜身，其焦距被拓展到5150mm。
Linear CCD is used as receiver on behalf of eyes on the basis of originally experimental equipment measuring the focal length of lens.
在原来光具座测量透镜焦距的装置基础上，用CCD代替人眼作接收器时，正确判定焦面是实验的关键。
One zoom lens can replace several fixed focal-length lensed, but results are likely to be inferior.
一个变焦镜头可以代替多个固定焦矩镜头，但效果很可能比不上。
If you know the FOV, sensor size, and working distance, you can compute the focal length of the lens you need using the following formula.
如果你知道视野FOV，感应器大小，和工作距离，你能用以下之方程序去计算你所需之镜头的焦距。
A lens is primarily defined by its focal length. Figure 4 illustrates the relationship between the focal length of the lens, field of view, sensor size, and working distance.
一个镜头的基础定义是其焦距，图4图示出镜头焦距，视野，感应器大小，和工作距离间之关系。
The focal length of the camera lens plays an important role in photo criteria.
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 .
摄影机镜头的焦距在摄影规范中起着重要的作用。
The lens distortion model describes how the distortion coefficients change according to camera focal length.
镜头畸变模式描述了如何根据相机畸变系数改变焦距。
Better estimates of lens distortion and focal length will be obtained if the grid is positioned accurately over as much of the image space as possible.
更好的估计和焦距的透镜畸变能获得网格定位准确在尽可能多的图像尽可能的空间。
If two vanishing points are not available, focal length cannot be estimated automatically and must be entered manually before the lens model can be solved.
如果两个消失点并不可用，焦距不能估计自动和手动输入必须在透镜模型可以解决。
Zoom lens a lens whose focal length can be varied continuously over a substantial range.
变焦镜头可以把焦矩在相当大的范围内连续改变的镜头。
If the objective lens is closer to the compact disk than the focal length of the object lens then the cylindrical lens creates an elliptical image on the photodetector array.
如果物镜与光盘之间的距离短于物镜的焦距，柱面透镜就会使在光电探测器阵列上的成像变成椭圆影像。
If the objective lens is closer to the compact disk than the focal length of the object lens, then the cylindrical lens creates an elliptical image on the photodetector array.
如果物镜与光盘之间的距离短于物镜的焦距，柱面透镜就会使在光电探测器阵列上的成像变成椭圆影像。
If the objective lens is further away from the compact disk than the focal length of the object lens then the cylindrical lens again creates an elliptical image on the photodetector array.
如果物镜与光盘之间的距离长于物镜的焦距，柱面透镜也会使在光电探测器阵列上的成像变成椭圆影像。
The Manfrotto 303 also allows the user to set the degree of camera rotation set in relation to the focal length of the lens being used.
曼富图303云台还可允许用户设定相机旋转角度和配套的镜头焦距长度。
The Manfrotto 303 also allows the user to set the degree of camera rotation set in relation to the focal length of the lens being used.
曼富图303云台还可允许用户设定相机旋转角度和配套的镜头焦距长度。
应用推荐