Photo Plus Magazine: Flashgun Super Test 2020
N Photo Magazine: Flashgun Big Test 2020
Marc Alhadeff Photography 2019
Digital Camera Magazine: Flashgun Group Test 2019
> Download and save the zip file below for the VIPER TTL
Note that the firmware installation and upgrade can only be done using a Windows PC or laptop
Apple IOS not compatible
> Select the correct language (EN, FR, DE or ES)
> Follow the detailed instructions which are included in the contents of the zip file below
> Any problems, contact info@hahnel.ie
*Note that the firmware updates are also applicable to the original MODUS 600RT Speedlight*
Transmitter Viper TTL Micro 4/3 firmware V21
This firmware fixed a bug that meant the transmitter could not trigger continuously when using Panasonic cameras.
Download and save the zip file below for the MODUS 600RT MKII
Note that the firmware installation and upgrade can only be done using a Windows PC or laptop
Apple IOS not compatible
