It was a snowy day so I was going through old files and found a profile photo of this Blue Dasher Dragonfly. I photographed this with a Canon EOS 1D MkIII with a 400mm f/4 DO with 56mm of extension tubes, f/11 @ 125/sec, ISO 400, flash -1 stop, with a Better Beamer Flash extender. I positioned the camera so I had a darker green, almost black, out of focus for the background to make the Dragonfly stand out. I find the 400mm DO works well for closeup photos of Dragonflies. It also works well with a 1.4X teleconverter, adding a little more reach when they are skittish or in a hard to reach area, such as in grasses in water.