Sigma Corporation have announced that new firmware of SIGMA dp2 Quattro and SIGMA dp3 Quattro are available for download.
Benefits of the firmware update:
SIGMA dp2 Quattro firmware [Ver.1.07]
・It has improved the AF accuracy.
・It has corrected the phenomenon that the camera may freeze very occasionally, when AF and MF modes are used one after another under conditions where the AF auxiliary light would illuminate the subject.
SIGMA dp3 Quattro firmware [Ver.1.02]
・It has improved the AF accuracy.
・It has corrected the phenomenon that the camera may freeze very occasionally, when AF and MF modes are used one after another under conditions where the AF auxiliary light would illuminate the subject.
・It has improved the focus ring control in MF mode and made the focus adjustment more convenient.