One of the most impressive things of the Pentax K10D, as marketed by Pentax, is the 22-bit Analog to Digital Convertor (ADC). My own first impression was even that it was *impossible*, by considering that the competition only offers 12-bit or 14-bit at most, even for the RAW format files.Right before the official announcement of the K10D in September, some people around the net had already
