Furthermore, with E-TTL II cameras, flash metering is no longer linked to the AF point you're using - this reduces exposure errors if you prefer to lock focus and re-compose.
另外，使用支持e-TTLII的相机时，闪光的测光不再与当前对焦点联动-这降低了锁焦和重新构图时发生曝光错误的机会。
As described above, when you are using the flash in plain TTL mode, the flash metering system does not take the ambient into account when determining how much light to put out.
如上所述，在使用普通ttl模式时，闪光测量系统在决定闪光输出功率时不会考虑环境光。
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。
The metering of concentrate charged in furnace is the base of flash smelting technological operation, and the stability and precision of data are very important.
入炉精矿计量的稳定与精确在闪速熔炼操作中至关重要。
The flash power calculation is also based on centre-weighted metering of the light reflected by the pre-flash.
闪光灯输出功率的计算仍然是根据预闪反射光的中心加权测量结果。
The distance information from the lens and 3D matrix metering is then used in the computation to determine the amount of flash light to put out.
由镜头和3D测光系统得到的距离信息会用来计算闪光灯的输出功率。
The distance information from the lens and 3D matrix metering is then used in the computation to determine the amount of flash light to put out.
由镜头和3D测光系统得到的距离信息会用来计算闪光灯的输出功率。
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