that's a very unusual contraption to carry that lens around, I can only imagine how heavy it must be after a full day at a hot air show... The guys pictures are killer that's for sure, so much vapor, but you'd expect that in Miami. We had that Viper demo at RI just a few weeks ago.
XboxLive Tag: DOBrienTG1969
Dave O'Brien,Top Gun PhotographyNikon D500 & D7200
Nikkor 70-200VR AF-s F/2.8
Sigma 50-500 & 17-50 F2.8
Sigma 150-600