In the Layer 2 header, there is no Time To Live (TTL) value.
在第2层的表头里并没有存活时间(ttl)的设定值。
Since Nikon Coolpix 950/990/995 uses TTL (through the lens) metering, in general no exposure compensation is required.
由于尼康Coolpix 950/990/995使用的TTL(通过镜头)测光,曝光补偿一般不会是必需的。
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 - TTL II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。
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