On-camera Shotgun Mics - AudioTechnica AT8024 vs Takstar SGC-598

Spoiler alert: $250 AT8024 is not that much better than $30 Takstar SGC-598. Also testing Panasonic G7. Blog entry: http://alexsokolsky.blogspot.com/2015/07/on-camera-shotgun-mics-audiotechnica.html