Night photography is subject to the same set of constraints as daylight photography - namely aperture, shutter speed and light sensitivity - although these are all often pushed to their extremes.

夜间摄影与白天摄影受到同样条件的约束——即光圈，快门速度，感光度——不过它对于这些参数的控制都要达到极致。

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Now in part two we're going straight to manual mode to learn about aperture sizes and shutter speeds. So let's do this thing.

那么现在，进入了第二部分的我们将要开始学习光圈大小以及快门速度，让我们这就开始吧。

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You get the same amount of light with a large aperture and a fast shutter speed as you do with a small aperture and a slow shutter speed.

你使用大光圈以及慢速快门所得到的光和你使用小光圈以及高速快门得到的光是一样多的。

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Hoping to change ISO sensitivity, aperture or shutter speed via the app?

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Using the camera's Smart Mode, users can choose from 14 different settings, such as Creative Shot, Landscape, Light Trace or Action Freeze which will automatically adjust parameters such as aperture and shutter speed in order to obtain the best shot possible for the desired situation.

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Additional tweaks include a manual volume adjustment (as opposed to the automatic gain the cameras usually employ), a brightness or RGB histogram display (this function, like some of these other features, has been available for a while as a hack), shutter and aperture priority modes have been added for movie shooting, and the audio sampling ramp has been bumped from 44.1KHz to 48KHz.

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