然后你有大约16秒时间重新构图进行拍摄，闪光灯的曝光量将保持在锁定值，不会因重新构图后曝光量改变而破坏拍摄结果。
You then have about 16 seconds to recompose and take the shot thereby guaranteeing the exposure you set and not have the camera reset a new exposure ruining your shot.
要控制好曝光量，您需要具有曝光补偿的知识，这样才能拍摄到亮度和预想亮度一样的照片。
To control the exposure, you need to have exposure compensation of knowledge, such ability to take brightness and expected the same brightness photos.
通过改变曝光系列，总是可以在印版上复制出某一曝光量下相同微米数的阳像和阴像线条。
By changing the exposure series, the positive and negative lines with the same micron number can be exist on the tested plate.
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