Download and support
3314 CFSTM-Z_VER1.11 Firmware Upgrade-Optimized image information, manual focusing
5514 CFSTM-Z_VER1.14 Firmware Upgrade-Optimized image information, manual focusing
5514CFSTM-E_APPv15.uda Firmware Update (Optimized image information and focus ring rotation)
5514 CFSTM-X_VER1.18 Firmware Update (Optimized image information and focus ring rotation direction)
3314 CFSTM-X_VER1.18 Firmware Update (Optimized image information and focus ring rotation direction)
8518FFSTM-L II VER2.7 linear and nonlinear focus (Download the zip file and unzip it to use)
33mm F1.4 CFSTM-X_V1.17 （Optimize the values of some aperture stops）
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)