Pentax Launches Retro Mirrorless Q-S1 Camera Real Reviews August 5, 2014 News & Updates Pentax has announced a new camera in its mirrorless Q series, the interchangeable lens Q-S1 that can be customized in 40 colours. Small and compact at 4.1 x 2.3 x 1.3 inches, the Q-S1 sports an alumin...