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 Modus & 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.
Modus 600RT for Micro 4/3 firmware V22
This firmwarefixed a bug with AF assist beam
