Sigma has released an updated firmware version for its 30mm f/1. 4 APS-C lens for the Sony E-mount. Firmware version 0. 2 brings the following improvements: Improved peripheral brightness correction when an aperture value of F1.
7 is selected on the Sony a6300 camera.
Fixed the AF operation when using focus points in peripheral areas of the frame with the Sony a6300 camera
Fixed freezing and not properly operating touch focus feature on the Sony a5100 camera
Firmware Version 0. 2 for the Sigma 30mm f/1. 4 APS-C lens for Sony E-Mount can now be downloaded from the Sigma support website.
. dpreview.com2017-5-11 17:25