1. An electronic device comprising: a plurality of finger biometric sensing pixels; and a processor arranged to cooperate with the plurality of finger biometric sensing pixels to generate a series of finger images at a progressively slower rate as finger settling increases over time during static placement of a user's finger adjacent the plurality of finger biometric sensing pixels, determine a quality factor for each image in the series thereof, and select at least one image from the series thereof for matching for authentication and based upon the quality factor.