Auto ISO and flash
Feb 5, 2019 00:27:16 #
Flash can reach 40'. If it falls off (in intensity) it doesn't really hurt anything. What the TTL does, is it protects you from overexposing the fill which can be the most damaging.
Feb 5, 2019 14:03:27 #
Flash can reach further if more powerful. My 550EX has a scale that indicates up to 60ft and when zoomed all the way out goes farther.
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