曝光灯的光谱从近紫外线到远紫外线成连续光谱，主波峰在313nm--480nm之间，具有良好的瞬间点灭性能，适合用于连续点灯、灭灯的曝光设备上，特别是在水中直接冷却降低热放射，适合于容易热化的制品UV曝光。其工作时间一般能在800小时左右（在额定电压下）。常见的曝光灯有四种类型。
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.
相机应用程序已被重新设计以充分利用大屏幕的优势：用户可以更方便的访问曝光、对焦、闪光灯、变焦、前置摄像头等功能。
The camera application has been redesigned to take advantage of a larger screen for quick access to exposure, focus, flash, zoom, front-facing camera, and more.
当你准备好时，你可能想学习更进阶的技巧，结合TTL闪光灯使用闪光灯曝光补偿和一般曝光补偿。
When you're ready, you might want to learn more advanced techniques using flash Exposure Compensation and general Exposure Compensation controls in conjunction with TTL flash.
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