Download and support
33mmF1.4-E_V5.02 Support high-speed continuous shooting in AF modes AF-S/DMF/MF for Sony α9 III
55mmF1.4-E_V14.01 Support high-speed continuous shooting in AF modes AF-S/DMF/MF for Sony α9 III
5518FFSTM-L VER.2.8 Fix known issues (Download the zip file and unzip it to use)
8514FFSTM-L VER3.2 New Function: linear and nonlinear options for manual focusing
8518FFSTM-Z II VER1.10 linear and nonlinear focus (Download the zip file and unzip it to use)
5518FFSTM-Z VER1.1 linear and nonlinear focus (Download the zip file and unzip it to use)
5518FFSTM-E VER.29 The focus is changed from nonlinear to linear
5518FFSTM-L VER.2.5 linear and nonlinear focus(Download the zip file and unzip it to use)
55mmF1.4 CFSTM-E Firmware Upgrade-V12.02 -Optimize and improve continuous focus
8514FFSTM-E_APPv36 (Fix known issues)(Download the zip file and unzip it to use)