Auto ETTR - slowest shutter does not work

Started by bountybob, December 24, 2015, 03:46:21 PM

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bountybob

Hello there,

I set the slowest shutter to 1/60.
I use ALWAYS ON mode but the second photo the minimum of 1/60 is not adjusted. Why ?
I've already tried it with LINK TO CANON SHUTTER = ON, however, does not work either.

Canon 6d firmware 1.1.6, nightly build 2015Nov15.6D116

cmccullum

I don't know much about auto ettr, but I assume with a setting called "slowest shutter" that means whatever value you set will be the lowest auto ettr will set your shutter to achieve proper exposure. So if your shutter isn't being adjusted then you've probably either got enough to light for a faster shutter speed, or other parameters are being adjusted instead of your shutter speed

like I said though, I don't know really anything about auto ettr

Audionut

That's correct, slowest shutter means that this is the slowest shutter speed that auto ettr will use.

If auto ettr is using a higher ISO without also using the slowest shutter, this could be an issue.