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Post Info TOPIC: Flash use tips


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Flash use tips
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Many small flash cannot adjust index, light, so the shooting was made things with the distance to control well. Flash flash range is limited, so flash was made things better than, into overlooking Angle. If the lights and was taken from relatively close, which will create a small piece of shining effect, for a large conversely. It also involves flash flash the focal length and the relationship between focal length of the lens, when flash focal length than lens the focal length, will appear beam of light effect; If flash focal length less than the focal length of the lens, then can the overall uniform ablaze.

 

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Use aperture to control flash in the face of the brightness, use the brightness of the shutter control environment. Aperture in 5.6 to eight commonly, shutter speed to control between in 1/125 to 1/15 less than. Flash of light comes to distance is certain, under the condition of invariable, can be adjusted by aperture the brightness of the object changes. And because the instantaneous velocity of flash flash shutter speed very quickly, so to flash on an object of light have no effect. Therefore, we can use the aperture control can be adjusted with the brightness of the object, and the brightness of the shutter control environment. For example, if the metering with 8 aperture, found that the 1/125 shutter, characters, and environment of facial exposure appropriate blasting, now owe the flashlight and is changeless, aperture is changeless, the distance perturbation characters with shutter speed, reducing the speed of 1/60 brightness, then environment, and facial exposure to normal people.

 

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In this exposure data filming environmental whole slant premise is dark. The exposure of the theory is that data, face exposure only rely on flash, because in a small aperture, change to shutter speed under the influence of figure of face of brightness is small and small.



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