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!"
I prefer to use my own method of fertility tests. It's called sex. Seems to be accurate from my experiences. She either gets pregnant or she doesn't.
But how do you tell which person is infertile if she doesn't?
Then I punch her in the tits and make her get back in the kitchen.