4 ms·
Note that a full power strobe will burn about 1-1.5 ms, so below 1/1000 you start to loose the ability to balance flash versus ambient via shutter speed.
by formerly_proven 3y ago
Note that a full power strobe will burn about 1-1.5 ms, so below 1/1000 you start to loose the ability to balance flash versus ambient via shutter speed.