Set Your ISO to Its Cleanest Setting
Your subject is going to be lit with the bright light from your flash, and that flash is going to pretty much freeze their motion, and that stopping power lets us shoot, most of the time, at our lowest, cleanest ISO, which for most cameras is 100 ISO (but depending on your make and model, it could be as low as 50, so check your manual). So, if you were worrying about what to set your ISO at . . . well . . . now ya know. Here are my go-to camera settings when I’m using flash indoors:
f-stop: f/5.6
Shutter speed: 1/125 of a second
ISO: 100
With those settings, I turn on my flash at a power setting of 1/4 power, ...
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