有些镜头不能完全覆盖这个光圈范围。
就像镜头有一个光圈范围，你的相机也有一个快门速度的范围。
Just like a lens has a range of apertures, your camera has a range of shutter speeds.
提供价位适中优秀的成像质量，这是第变焦的阿尔法提供超过其整个变焦范围内广泛象素光圈范围。
Delivering excellent imaging quality at an accessible price, it's the first zoom for the Alpha range offering a wide F2.8 aperture over its entire zoom range.
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 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.
光圈的大小不仅影响感光程度，同时还影响在对焦范围的大小。
The size of the aperture not only affects how much light reaches the sensor, but also how much of the image is in focus.
之间的快门速度和光圈显示的相关性，以彩色编码警告提醒用户在设置时，在适当的范围内没有。
The correlation between shutter speed and aperture is shown, with a colour-coded warning that alerts users when the Settings are not in the proper range.
它采用视频信号控制带有电子快门的C C D摄象机的积分时间以及平面电机自动光圈，实现宽范围全自动调光。
The full automatic light adjustment within a wide range is carried out by the integration time of CCD camera with an electron shutter and planar motor automatic iris controlled by video signal.
胶片框的视野引导显示了照相机的视野范围，并且是只有当照相机光圈的高宽比和透视分辨率一样的情况下才起渲染作用。
The film gate view guide indicates the area of the camera's view that renders only if the aspect ratios of the camera aperture and rendering resolution are the same.
是的，你可以控制任何距离特定主题的范围从重点，只是控制光圈通常不会把一个梦幻般的柔软背景的水晶般锋利的背景成。
Yes, you can control the range of focus from any given subject distance, but just controlling the f-stop won't usually turn a crystal-sharp background into a dreamy-soft background.
是的，你可以控制任何距离特定主题的范围从重点，只是控制光圈通常不会把一个梦幻般的柔软背景的水晶般锋利的背景成。
Yes, you can control the range of focus from any given subject distance, but just controlling the f-stop won't usually turn a crystal-sharp background into a dreamy-soft background.
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