1. A method for capturing data; said method comprising: sensing a first signal; capturing an auto exposure (AE) image in response to a sensed first signal, said AE image captured with settings based upon preestablished criterion; upon said AE image being captured, determining if a second signal has been sensed; if said second signal has been sensed, capturing a speculative full exposure image; and if said captured speculative full exposure is determined to be acceptable, reading the remainder of said captured speculative image.