Traditional Culture Encyclopedia - Photography and portraiture - How to take pictures with clear characters and backgrounds at night?
How to take pictures with clear characters and backgrounds at night?
It's still necessary to make a preliminary analysis to take this kind of photo. The light is weak at night and the exposure is not good. So if you want to take a good night view, you must try your best to increase the amount of light. The only way to increase the amount of light entering at night is to increase the exposure time, and there is no other way. Because increasing the ISO value will have a certain effect, but its adjustment effect is limited. When it reaches a certain value, it will affect the overall quality of the photo and produce noise.
But if you do this: reduce the aperture value and increase the exposure time, you will achieve the purpose of shooting the night light background. The person in front of the camera is already in a dark environment, and long-term exposure can't achieve the clear purpose of people. Because the light emitted by people themselves is like this, it will not change much because of long time.
One and only way is to give the portrait in front of the camera a special fill light. However, how to make up for it is really a problem. It's really hard to know when and how much light to fill. But because of this, in fact, professional SLR has thought of this problem. So we specially added a function, and all we have to do is turn on this function and hand over all the technology to the machine to complete it.
So, what is this function? "Hou Lian synchronization". Just open the function key and find this function. Its principle is that when you shoot at night, the exposure time will be different due to different environmental conditions and parameters. When this function is turned on, the machine itself will turn on the flash to fill the light while ending shooting and closing the shutter Hou Lian. This can ensure that the background light is clear at night and the portrait in front of the camera is clear.
We often use this function when we go out to play. You got it? Pick up the camera and try it.
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