Finally bought a cord for off-camera flash, so this is just the result of playing around with that. I’m going to need a lot more practice with this!

Hand held, auto focus, off-camera Speedlite flash.

Other info:

Exposure: f/4 1/60s, ISO 3200
Exposure Mode: Auto
Focal Length: 70.0 mm
Lens: EF-S70-200mm f/2.8L IS USM
Flash: Fired, compulsory mode
Metering Mode: Evaluative
Subject Distance: 1.5 m
Custom Rendered: Normal process
White Balance: Auto
Scene Capture Type: Standard
Model: Canon EOS50D
Camera Raw
White Balance: Custom
Temperature: 3900° K
Tint: +4
Recovery: 16
Fill Light: 12
Blacks: 5
Brightness: +44
Contrast: +55