| Comment: Black on and off button from the front of a screen | Photographer: Henrik Lehnerer | Camera: Canon EOS 10D | Date: 2/8/08 8:31 AM | Resolution: 3072 x 2048 | ISO: 400 | Exp. Mode: Auto exposure | Exp. bias: 0 EV | Exp. Time: 1/60s | Aperture: 4.0 | Focal Length: 100.0mm | White Balance: Auto white balance | Flash: Flash fired, auto, red-eye reduction | Object Name: On Off | Caption: Black on and off button from the front of a screen | Keywords: symbol power button off business control push switch led icon light technology energy key closeup electronic press round electricity technical hardware close-up pc office sign computer electric macro shutdown start-button start on turn circle pushing electronics monitor screen |