 Compared with the original G1, the G2 has improved autofocus performance and higher top shutter speeds of  sec in manual mode and  sec in aperture priority mode.The manual focus wheel was moved from the top deck to the front, to about the same position as where the focusing wheel was located on classic Dresden and Stuttgart Contax rangefinders.In addition, the G2 was made available in a black finish along with black versions of the TLA200 flash and 28 mm, 45 mm, and 90 mm lenses.