Turning Day to Night - 03.14.10

The Canon 7D has the ability to trigger a Canon flash that is not attached to the camera with a wire. The ability to get the flash "off the camera" opens up a new world of possibilities for dramatic lighting.  Believe it or not, this photo was taken in broad daylight, as the sun was just starting to set. The flash was placed on a table to my camera left side about 3 feet away at about a 90 degree angle. I set the camera to manual exposure, pointed it up at the sky and set the exposure meter at about -1 by adjusting the ISO, Shutter Speed and Aperture to make sure the sky had rich colors and detail. The camera then handles the exposure  of the sky, and with the flash set to ETTL mode, the flash then figures out how much light to put out to expose the subject (me) properly.

Canon 7D/EF24mm f1.4L - 1/100th - f14 - ISO 100 - Manual Exposure - Flash (580EXII) fired @ -3FEC)