It works by separating the mirror flip and aperture opening into two steps.
它将镜面翻转和光圈打开分为两个步骤。
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。
Actually, the mask and openings are not really necessary; the mirror alone could serve as aperture.
其实，挡光板及其上的开孔都是不必要的；单单反射镜本身就可以起小孔的作用。
The surface figure precision of the primary mirror in a large aperture telescope is a key factor influencing the imaging quality.
大口径望远镜主镜的面形精度是影响望远镜成像质量的关键因素之一。
A large aperture laser beam scanning method by combining microlens arrays with rotating mirror is put forward.
提出微透镜阵列与转镜相结合的大口径激光光束扫描方法。
The annular aperture of typical mirror lenses results in out-of-focus images with a pronounced 'bright ring' effect.
典型反射镜头的环状光圈导致失焦影像呈现明显的“亮环”效应。
It is necessary for calculating the solar beam radiation on the tilted mirror or aperture for designing of solar thermal utilization.
在聚光太阳能热利用设计时，有必要计算聚光装置倾斜镜面或孔径表面的太阳直接辐射。
The basic factors affecting collimating characteristic are off-axis magnitude, effective aperture and emission position on the focal plane of off-axis parabolic mirror.
影响离轴抛物镜准直特性的主要因素有离轴量，有效孔径和焦面出射点的位置。
For large aperture lens, scanning method was developed to measure the focal length in different locations within the mirror.
针对被测镜大口径的问题，采用了扫描的方法，这样可以测量被测镜不同位置的焦距。
This paper discusses the accuracy problem of testing a large aperture flat mirror by using stitching interferometry, and analyses the stitching accuracy in theory and experiment.
讨论了在用子孔径拼接法检测大口径光学镜面时的精度问题，并分别从理论上和实验中对拼接检验的精度做了定量分析。
With the development of the space optical remote sensor resolution and the primary mirror diameter, the lightweight design is becoming the key technology of the large aperture mirror.
空间光学遥感器分辨率要求的不断提高使其主镜口径也在不断增大，从而对主镜进行轻量化设计就成为空间大口径反射镜工程的关键技术。
An offset cross structure for supporting secondary mirror is proposed. The structure has a higher resonance frequency so it can be applied to large-aperture telescope.
提出了次镜支撑的偏置十字型中心结构，该结构具有较高的谐振频率，因此可以用于大口径望远镜中。
The mask has mirror effect; designed with aperture bars.
罩囊镜面效果，栅栏结构设计。
The mask has mirror effect; designed with aperture bars.
罩囊镜面效果，栅栏结构设计。
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