ALPHA
Evolving Alpha Lighting System
External flash can now be controlled from the camera
Control flash from the camera
Most settings, including light output, accessible via a camera menu
Changes shown on flash display
Benefit 1:
Flash control via camera viewfinder
Flash settings appear in the viewfinder
Benefit 2:
Custom button quick start
Assign flash control to a custom button for fast access
Benefit 3:
Easy control from camera body
Easy light output control for flash units that do not have control buttons
Benefit 4:
Camera display language flash control
Flash control in the camera display language
Benefit 5:
Flash control from camera with remote commander*
* Available soon
Off-camera flash control transmitted from camera by remote commander*
* Available soon
Wireless control of up to 15 flash units
in 5 groups from camera body or flash
Compatibility　(as of December, 2019)
Camera
ILCE-7RM4 (Ver. 1.10 or later)
ILCE-7RM3 (Ver. 3.10 or later)
ILCE-7M3 (Ver. 3.10 or later)
Flash
HVL-F60RM (Ver. 2.00 or later)
HVL-F45RM (Ver. 2.00 or later)
FA-WRC1M (Ver. 3.00 or later)* 
* Available soon
Evolving Alpha Lighting System
