Supports E-TTL functions (FEC, FEB, Front and Rear-curtain sync, FE lock, Modeling Light), support for Canon camera menu accessible.
Double-Tube Macro Flash, flash ratio can be adjusted, there are 8 levels (1/128-1/1) for the intensity adjustment for the flash control, total 22 levels fine tuning; the tube A and tube B can flash individually, the flash index is wider and more practical.
The Flash Coverage: Vertical angle: Upwards,downwards 90 degrees; Horizontal angle: inwards 60 degrees,outwards 30 degrees; The rotate degree of the adapter ring: upwards 50 degrees, downwards 30 degrees; The flash tube can be installed on the tripod for use.
Ultra-fast charging recycle system, just take 3 seconds at full output. Even if not using the brand new batteries, it just takes 4~5 seconds to recycle.
The LED focus assist light is divided into low light and highlight mode,achieve rapid precise focus.