预 景深自动曝光锁定按钮。
While looking through the viewfinder, press the previewAE lock button.
自动曝光锁定模式能锁定精确曝光测定时的曝光值。
The AE lock mode locks the exposure value for precise exposure metering.
拍摄时，如果一直按住预景深自动曝光锁定按钮，相机就能以锁定的曝光值重复拍摄。
If the preview AE lock button is kept pressed while shooting, it is possible to shoot repeatedly with the locked exposure value.
但另一方面，镜片震动相对于曝光时间短得可以忽略不计，因此，反光镜锁定对夜间摄影并非必要。
On the other hand, mirror shake is negligible for exposures much longer than this; therefore MLU is not critical for most night photography.
你先把曝光值锁定在新娘或新郎的脸上然后再重新构图，结果是完美的曝光在人脸，服装或任何你事先锁定曝光值的目标上。
You locked the exposure hopefully on the brides face or the grooms face then recomposed. The result will be perfectly exposed faces or dresses or whatever you locked in from the start.
就是先获得恰当的闪光曝光值，压下闪光曝光锁按钮，锁定这个曝光值。
FE lock is simply obtaining a proper flash exposure, pushing the right button to lock in that exposure.
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.
相机的测光方式要设置在局部测光或点测光方式，测光点对着你想要锁定曝光值的目标，按下锁定钮。
To make this work, use the partial metering mode (or spot metering mode) over the subject where you want to lock the flash output then press the asterisk (*) button.
相机的测光方式要设置在局部测光或点测光方式，测光点对着你想要锁定曝光值的目标，按下锁定钮。
To make this work, use the partial metering mode (or spot metering mode) over the subject where you want to lock the flash output then press the asterisk (*) button.
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