Profoto B1 500 AirTTL Battery Powered Flash

SKU : PRB15AT
Replacement Value : $2984
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- Max Power: 500W/s
- Flash Duration: 1/1000 Max - 1/11000 Min
- Recycle Time at 100%: 1.9 Seconds
- Power Range: Approximately 2W/s to 500W/s in 1/10 Stop Increments
- Sync Speed: Up to 1/250th of a Second (Normal Mode, Up to 1/8000th of a Second (Freeze Mode)
- 20W Modeling Lamp
- Operating Voltage: 100-240V AC, 14.8V DC (with Included Battery Only)
- Operating Voltage: 100-240V AC
- Built-In Slave Cell for Profoto Air, Radio, Optical, and Sync Cable
- Fan-Cooled
- Dimensions: 12.2 x 5.12"
- Weight: 6.61 lbs

- Profoto B1 500 AirTTL Battery Powered Flash (PRB15AT)
- Battery (PRB15AT-BT)
- Charger (PRB15AT-CR)

The Profoto B1 500 AirTTL is a battery-powered monolight strobe designed for on-location shoots.

Profoto Build

Based on the popular D1 Air series of monolights, all of the familiar professional and convenience features are included in B1. The B1 has the same dense, durable polymer housing, integrated 77-degree reflector, built-in receiver compatible with Air transmitters and intuitive highly visible controls and display as the D1 but with two striking differences - battery power and TTL camera/flash integration. Finally, the B1's back panel has been upgraded with a large, bright LCD screen that informs the user of the flash's power level, radio channel and group, sync choice, modeling light mode and recycle alert. There's also a large battery gauge that literally can be read from 20' away.

Lithium-Ion Battery

The lithium-ion battery provides about 220 full-power flashes or up to thousands of minimum power flashes on a 2-hour charge from the provided 2.8A multi-voltage charger. An optional 4.5A quick charger shortens that time to 1 hour. The battery attaches to the side strobe housing itself, making it easy to move around with. The strobe cannot be AC powered, so once the battery is depleted you’ll need to recharge or swap batteries before you can continue shooting.

Flash Output

The B1 500 AirTTL offers a 500Ws maximum output, with over a 9-stop range in 1/10 or 1-stop increments. At lower power settings Quick Burst Mode allows a series of flashes to be fired at a faster pace than the B1 can recharge, allowing triggering of up to 20 frames per second. Two additional modes (Normal and Freeze) allow you to prioritize faster flash duration or minimal color shift depending on your needs.

LED Modeling Light

The B1's modeling light has been upgraded to LED to put less strain on the battery. It generates minimal heat and provides 70W tungsten-equivalent output. The light can be set to proportional or full power and will dim during recycling if that option is selected

Supports TTL Air Remote

The B1 500 AirTTL offers full TTL support when matched with one of the Profoto Air Remote TTL Transceivers for Canon, Nikon, Olympus/Panasonic, or Sony. The Air Remote TTL-C and TTL-N transmitters have 8 frequency channels with 3 groups per channel and a range of up to 330' for TTL triggering and 1,000 feet with normal radio triggering. Each channel has power ratio capability of +/- 2 stops in TTL or +/- 9 stops in manual.

Firmware Updates

Both the flash head and the Air Remote TTL-C or TTL-N have mini-USB connections for firmware updates such as High Speed Sync. High-Speed Sync (HSS) is a useful tool for controlling ambient light and for freezing action. Profoto uses a unique, patent-pending technology, providing an extremely fast series of flash pulses. With the free Profoto HSS upgrade installed, you switch to HSS Mode with a simple button-press that allows you to shoot at shutter speeds as fast as 1/8000 of a second.

Full Light Shaper System Compatibility

With its zoom scale and integrated umbrella sleeve, the B1 500 AirTTL is compatible with Profoto's extensive line of umbrellas, reflectors and softboxes.

 

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