Let the hive mind of Engadget get that for you.
"We need a digital camera that can be switched on and fire off that first shot fast. It's not a commonly tracked statistic on any review site, and nobody seems to have this information for every camera. We were hoping other readers could inform us as to what small digital cameras can fire off their first pics in under a second (ideally under half a second). It needs to be small, but mostly, just really quick in operation. Thanks!"
Oh no, now the power-saving lamps that can detect human presence (so they can shut off when not needed) are going to be able to talk to each other about us and know our habits all to well when the mechano uprising comes.