Why You Need a Wireless Controller
One big key to this system is that you control your flash (or flashes), including turning them on/off and changing the brightness, all from right where you’re standing—at your camera position. No walking over and changing the power on the back of the flash—you’re going to do it all from right on top of your camera (these controllers sit right in your camera’s hot shoe mount—they slide right in just like they were a flash themselves, but thankfully they’re much smaller). They have a screen on the back where you can choose which flash you want to adjust, they have a dial or an up/down button for changing the power, ...
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