Taking a portrait at night can be tricky, even with flash.  Digital Photography School explains how to make it work.

Here’s the first step:

Set Your Camera

You want to shoot on TV with your shutter speed at 1/10-1/30, and your ISO set to somewhere between 200-400. If you have Canon speed lights on ETTL, your flash will automatically adjust itself for the light necessary to compensate for the lack of exposure as set by your camera.

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