• Versatile I-TTL (intelligent TTL) Speedlight
    • Multi-step power-zoom: covers a wide 24-120mm angle of view.
    • Guide number: 25(EVEN)/28 (STD)/30 (CW)
    • High-speed recycling time: approx. 2.5 seconds when using NiMH
    • A:B mode for quick wireless control: allows control of the light ratios of A and B group Speedlight units.
    • Firmware can be upgraded via the storage media in the attached camera.
    • Automatic thermal protection system
    • Automatic filter detection
    $ 299.99