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!"
The journey of a thousand miles begins with a single step. This machine is a long way from being able to take full charge of a piece of ground from planting to harvest to planting again, but it's a step in that direction. To do list: more sensory input, more intelligence, more versatility, lower cost, lower energy profile, ability to operate amid maturing crops without damage.