Rosenthal put his Speed Graphic camera on the ground (set to 1/400 sec shutter speed, with the f-stop between 8 and 11 and Agfa film) so he could pile rocks to stand on for a better vantage point. In doing so, he nearly missed the shot. The Marines began raising the flag. Realizing he was about to miss the action, Rosenthal quickly swung his camera up and snapped the photograph without using the viewfinder. Ten years after the flag-raising, Rosenthal wrote: