Download and support
5518FFSTM-L VER.2.4 fixed compatibility issues with the Sigma Camera
5518FFSTM-E VER.28 Fix known issues (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)
33mmF1.4 CFSTM-E -V3.02 （Improve the stability and experience of continuous focusing）
33mmF1.4 CFSTM-E -V2.01 （When using touch screen tracking focus, it is prone to focusing failure）
55mmF1.4 CFSTM-E -V11.05 （better the function of screen tracking focus of ZVE10 camera）
50mmF1.8 FFSTM-L Firmware Upgrade-V2.7 fix some camera video bugs(Optimized Focus)
85mmF1.8 FFSTM-L Firmware Upgrade-V2.9 fix some camera video bugs(Optimized Focus)
85mmF1.4 FFSTM-L Firmware Upgrade-V2.8 fix some camera video bugs(Optimized Focus)