Profoto

B2 250 AirTTL Location Kit

Battery-powered flash system

The B2 250 Air TTL Location Kit from Profoto is a battery-powered flash system that includes the B2 250 AirTTL Power Pack, 2 batteries, charger, 2 B2 flash heads, padded Location Bag and a Carrying Bag with shoulder strap. It offers full wireless TTL operation with the optional purchase of a dedicated AirRemote TTL transceiver for your Canon or Nikon camera.

The B2's twin outlets each have a dedicated thumbwheel that allows the pack's 250Ws of power to be distributed asymmetrically over a 9-stop range in full or 1/10 steps. Work with recycling times from 0.03 - 1.35 sec. and an action-stopping flash duration of 1/1,000 sec, with a Freeze Mode flash duration of 1/15,000 sec. at lower power settings. Shoot up to 20 frames per second, while High Speed Sync allows shutter sync speeds from 1/4,000 - 1/8,000 sec., giving you broad control over ambient light.

Each flash head features an umbrella channel through the top of the head, and the tethered 198 cm head cable can be lengthened with a 298 cm extension. An included stand or pole-mount with a ratcheting handle can be removed for mounting to a flash bracket. The pack's Li-Ion battery can be charged in or out of the pack, and provides up to 215 full-power flashes on a 45-60 minute charge.

The B2's flashtube and 50W halogen-equivalent LED modeling lamp are protected by a frosted glass plate while its 9.9 cm diameter housing accepts a line of optional accessories that includes OCF-tailored softboxes, barndoors, a snoot, and a grid set. They can also be used on the B1 battery-powered monolight.