Using A TTL High Speed Sync Speedlite Outside With Shallow Depth Of Field
The image above was shot outside at 100ISO with the lens nearly wide open at f/3.2 to create the really blurred background. I used a 24 x 24 softbox on a light stand with a Canon 600 Flash set on TTL and High Speed Sync. I had the speedlite (aka: flash) output set a little