How did Iwan Baan get this photo of a blacked-out lower Manhattan?
Besides hanging out a helicopter with a Canon 1 DX and a 24-70mm L-series lens, he set his ISO to 25,000, his shutter speed to 1/40, and left his aperture wide open.
Even with a high ISO, that’s a steady hand!
An image of New York City’s blackout, taken from a rooftop in Chelsea, on October 29, 2012. (© Eric Chang [@EricStrange])