Additional Viper TTL Transmitter
This firmware fixes the over-exposure problem for Canon EOS-R
This firmware has been made compatible with Canon camera 2000D/1500D & 4000D/3000D
This firmware fixed a bug where the transmitter could not trigger continuously when using Panasonic cameras.
Improved compatibility with camera models Z6 and Z7
Corrects occasional misfiring in high speed sync mode