Set to the desired lens aperture.
设置所需的镜头光圈。
The camera adjusts its focus, lens aperture, and shutter speed by itself.
它会调焦、调光圈和光闸速度。
Set the lens aperture to the aperture value designated by the flash unit according to the ISO setting your camera.
按照您相机上闪光装置ISO设置，设置好镜头的光圈大小。
A very small lens aperture is employed to correct spherical aberration , but this severely limits the final resolution.
可以用一个非常小的透镜孔阑来校正球差，但这会严重地影响最终鉴别率。
Another principle illustrated by Figure 4 is that any object having edges that line up with the edges of the lens aperture will tend to be resolved to some degree.
图四阐明的另一个原理是任何物体，只要它有边缘与镜头光圈边缘对齐，那么它的形状就能在一定程度上可以辨别。
Because maximum field of view in telecentric systems directly relates to the lens aperture closest to the object, larger front lenses are necessary for larger fields of view.
由于在远心系统中最大视场直接关系到镜头的镜头的光圈到物体之间的距离，若需要大的视场就必须要有大尺寸的前置镜头。
The paper discusses the difficulty presented in deducing Fourier transform formula due to the lens aperture restriction, and analyzes the desired conditions in using the formula in great detail.
本文讨论了薄透镜孔径对透镜傅里叶变换公式导出带来的困难，较全面地分析了使用该公式应满足的条件。
Even if you intend to expose using a small aperture, a lens with a large maximum aperture can greatly increase viewfinder brightness.
即便你打算使用小光圈照相，带有最大光圈的镜头也可以在取景时大大增加取景器亮度。
When you press the shutter release on the camera, a complex sequence of events occurs, including setting the aperture in the lens, flipping up the mirror of an SLR and a lot more.
实际上，当你按下快门时，一套复杂的程序开启，包括镜头内光圈的设置、一块单镜头反射镜的升起和其他更多的步骤。
It has a wide-aperture lens to capture as much light as possible, and the technology requires no clunky auto-focus mechanism. It adjusts exposure time automatically.
它的大光圈镜头可以摄入尽可能大的光量，所用技术并不需要笨重的自动对焦系统，曝光时间也是自动调节。
The main lens is fixed in place; there is no auto-focus, auto-aperture, or other gubbins.
主要镜头是固定的，没有自动对焦和自动光圈以及其他小配件。
What some of us DSLR users don't realize until we've grown enough is just how wondrous and useful a good 50mm lens with a wide aperture is.
然而像我们这些单反相机的使用者在有足够多的经验之前，总是很难理解一个大光圈的50mm镜头是多么的实用。
The combination of telephoto capabilities and an f/2.8 aperture throughout the zoom range up to 500mm makes this a great lens for wildlife, sports and for you stargazers, astrophotography.
远摄镜头的性能加上f/2.8的光圈，再加上最长500mm的长焦端，使该镜头适合拍摄野生动物和体育赛事，也是天文爱好者进行天文摄影的绝佳镜头。
The 50mm prime on average allows an aperture around F1.4 on a mid ranged price lens, F1.8 on the cheaper ones and F1.2 on the pro series.
50mm定焦镜头在较大价格范围内的平均光圈是F1.4，便宜的（镜头）光圈为F1.8，较贵的（镜头）光圈为F1.2。
The f-stop, otherwise known as the aperture, determines your depth of field (the area in focus) and how much light can pass through the lens to reach the sensor.
f制光圈(或称光圈)决定相机的景深(对焦区域)以及有多少光能通过镜头到达传感器。
Set aperture to f32 - this was the smallest I could get on the lens.
光圈调至f32-这是镜头上的最小光圈。
When you mount a lens (whether the camera is on or off), the camera interrogates the lens for its characteristics, including maximum aperture, which one of the focusing parameters.
装上镜头后(不论相机是开着还是关闭的)，相机便会获知镜头特征，包括最大光圈，哪一组对焦参数等。
The aperture refers to the hole in the lens, known as the diaphragm, that lets the light in.
光圈就是镜头里面的一个小洞，就是一块横膈膜一样的东西，好让光线穿过。
The aperture, zooming and focusing control speed of the camera can be adjusted, which provides facility for the precise adjustment of the camera lens.
摄像机镜头的光圈、变焦、调焦控制速度可调，为精确调整摄像机镜头提供情报方便。
Many formulae used to calculate fixed phase distribution for the array lens, configuration curve of the dielectric lens and aperture phase of a feed phased array are derived.
给出了计算阵列透镜配相、介质透镜外形曲线和平面相控阵天线孔径相位的若干计算公式。
The eye of a nautilus mollusk. The lens-less pupil works rather like the aperture of a pinhole camera.
鹦鹉螺之眼。这种没有透镜结构的瞳孔更像是针孔相机的孔。
Camera lens should be set to infinity with maximum aperture. then point the camera to perseus or neighbour constellations for a5-minute exposure time and try your luck.
将镜头对焦至无限远，对准英仙座或其邻近星座，把光圈调至最大，曝光5分钟，应有收获。
Millimeter-wave dielectric lens antenna is a kind of aperture antenna with high directivity.
毫米波介质透镜天线是一种高方向性的口径天线。
The reflection effect of the spherical surface of a hemisphere solid immersion lens (SIL) has been investigated using the vectorial diffraction theory for high numerical aperture systems.
应用高数值孔径系统的矢量衍射理论研究了半球形固体浸没透镜(SIL)球面表面的反射对SIL系统透射场的影响。
When the diffractive optical lens is illuminated by white light, its focal length not only relates to material dispersion and wavelength dispersion, but also to aperture factor.
在白光照射下，衍射光学透镜的焦距不仅同材料色散和波长色散有关，而且还同孔径因子有关。
The necessity of the lens electrode coaxality especially the coaxality of the aperture with lens axis is emphasized.
提出了制作透镜电极时保持轴对称、特别是限制光栏必须位于透镜光轴上的必要性。
The axial intensity distribution of Hermite-cosh-Gaussian (HChG) beams passing through a system with the aperture and lens separated is studied numerically.
对双曲余弦高斯光束通过光阑透镜分离系统的轴上光强分布做了详细的数值分析。
By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.
该方法在现有衍射透镜加工设备分辨率条件下，可提高衍射透镜的衍射效率，增大衍射透镜的数值孔径。
By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.
该方法在现有衍射透镜加工设备分辨率条件下，可提高衍射透镜的衍射效率，增大衍射透镜的数值孔径。
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