A1 AirTTL
35
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Technical data
Specifications
Frequency band 2.4GHz (2404 to 2479.3 MHz)
No of frequency channels 8 (1-8)
Radio Power Output Maximum 19.9 dBm
No of groups per channel TTL operation: 3 (A-C)
Manual operation: 6 (A-F)
Operation modes TTL, Manual
Camera TTL compatibility A1 AirTTL-C - Canon E-TTL II
A1 AirTTL-N - Nikon i-TTL
Sync modes 1st curtain, 2nd curtain, Hi-S (HSS/
Auto FP), X-Sync
Camera mount/Connectors Hot shoe mount for Canon/Nikon
USB micro connector for firmware
upgrades
Range Up to 300 m (1000 ft.) for normal
triggering
Up to 100 m (330 ft.) for remote
control and TTL
Flash energy 76Ws
Flash energy range 9 f-stops (2-10)
Flash recycling time 0.05 – 1.2 seconds
Flash duration 1/20,000 - 1/800
Energy stability 0.2 f-stop
Color stability ±150°K
Modeling lamps LED
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