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B2 250 AirTTL to-GO KIT
Profoto B2 250 AirTTL to-go Kit
The digital LED screen that displays the power settings is also the key to the pack's many capabilities. The B2 boasts recycling times from 0.03 - 1.35 sec., and an action-stopping flash duration of 1/1,000 sec. There is also a Freeze Mode that selects a flash duration of 1/15,000 sec. at lower power settings - fast enough to "freeze" water droplets, spray and splashes. Bursts of up to 20 frames per second are possible while High Speed Sync allows shutter sync speeds from 1/4,000 - 1/8,000 sec., giving you wide ambient light control options. The pack's Li-Ion battery can be charged in or out of the pack and will give you up to 215 full-power flashes on a 45-60 minute charge from a multi-voltage 2.8A battery charger or a trickle charge from an optional car charger.