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。
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, 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。
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。
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。
This is a technique called Maximum Aperture, and is done by adjusting the Settings on your digital camera to let more light pass through the lens.
这种技巧称为“最大光圈”，通过调整数码相机设置，让更多光线进入镜头，便可完成。
She had just mounted a distance lens on her camera, drawing it forward, and had adjusted the aperture and shutter speed.
她刚刚给照相机换上一个长镜头，带好遮光罩，调整了光圈和速度。
The camera adjusts its focus, lens aperture, and shutter speed by itself.
它会调焦、调光圈和光闸速度。
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。
Abstract: The design of camera lens control circuit based on 89c51 is introduced. This circuit can adjust parameters of camera such as aperture, zoom and focusing.
针对视频监控中摄像机镜头光圈大小、图像聚焦、图像变焦三项参数的控制问题，介绍了一种基于89c51单片机的镜头控制电路的设计。
Abstract: The design of camera lens control circuit based on 89c51 is introduced. This circuit can adjust parameters of camera such as aperture, zoom and focusing.
针对视频监控中摄像机镜头光圈大小、图像聚焦、图像变焦三项参数的控制问题，介绍了一种基于89c51单片机的镜头控制电路的设计。
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