(This topic also applies to the 7D and any other EOS with the iFCL sensor)
I tend to shoot a lot of low-light action. They are challenging conditions, so I'm trying to figure out the best settings for my camera to get the most keepers. For this thread, I'm limiting the discussion to the metering system.
A little background on the iFCL metering sensor of the 5D3
Question 1: does this only apply when "Evaluative metering" is used (as opposed to Spot, Partial, and Average metering)? In other words, if I'm using Spot, Partial, or Average metering mode, is the iFCL sensor is completely irrelevant?
Question 2: It would seem to make sense that Evaluative metering mode is more complex than the others, hence, would using Evaluative metering potentially slow down my burst rate (say under difficult low light conditions)?
On the other hand, (question 3) would using Evaluative metering (and taking advantage of the iFCL sensor) result in more in-focus shots when I'm shooting fast, erratic subjects in low light? So would this be a trade off of continuous burst rate vs focus-accuracy? I mention this because the 5D3's overall AF system does incorporate the exposure system.
Does anyone have any real world experience regarding this? Any insight would be much appreciated