Off-camera flash. With TTL. Without cords.
The Profoto B1 makes it easier than ever to take the flash off your camera. With AirTTL you set the light in a flash. With battery power and a clever design with no cables or cords, you can take the B1 with you wherever you go and put it wherever you want. Add to that the power, speed and light shaping possibilities that Profoto lights are known for, and you have an off-camera flash that makes great light easy.
IMPORTANT NOTE: The firmware of this product can be upgraded. The latest firmware version is B3
Patent pending AirTTL technology takes the concept of “point and shoot” to the next level.
Exchangeable, integrated battery provides up to 220 full-power flashes per charge.
Cordless design and wireless Air technology allows you to shoot without cords and restraints.
Quick burst capability eliminates the risk of missing that perfect shot waiting for the flash.
500Ws adjustable in 1/10 f-stop increments over a 9 f-stop power range give you both -power and precise control.
Compatible with a wide range of Profoto Light Shaping Tools.
Max energy | 500Ws |
Energy range | 9 f-stops (2-500Ws) |
Energy control increments | 1/10 or full f-stops |
Recycling time | 0.1-1.9 (Quick burst up to 20 flashes/second) |
Max modeling light (W) | 20W LED (Output eqvivalent to 70W Halogen) |
Modeling light control | Off, Proportional, Free (5-100%) |
Mode control | Freeze (shortest flash duration) or Normal (color balance) mode |
Flash duration Normal mode (t0.5) | 1/11,000s (2Ws) - 1/1,000s (500Ws |
Flash duration Freeze mode (t0.5) | 1/19,000s (2Ws) - 1/1,000s (500Ws) |
Energy stability Normal mode | +-1/20 f-stop flash to flash |
Energy stability Freeze mode | +-1/20 f-stop flash to flash |
Color stability Normal mode: | +-150K over range; +-20K flash to flash |
Color stability Freeze mode: | +-800K over range; +-50K flash to flash |
Energy control increments | 1/10 or full f-stops |
Guide number @ 2m / 100 ISO with Magnum Reflector | 45 2/10 |
Input power supply | Exchangeble Lithium-Ion Battery 14.4V/3Ah |
Battery capacity: | Up to 220 full power flashes |
Sync socket(s) | 1 |
Wire sync voltage | Compliant to ISO 10330 standard |
Wire sync connector | 3.5mm Mini-Phono |
Photocell/IR-slave and switch | Yes |
Radio sync & control | Yes, Built in AirTTL supporting wireless sync, control and TTL. (Requires Air Remote TTL. Sold separately.) |
Radio sync range | Up to 300m (1000ft) |
MAC / PC control | Yes, via optional Profoto Air USB transceiver and Profoto Studio software. |
Function display | Multifunction LCD display |
Fan cooling | Yes, thermally controlled fan speed for low noice level. |
Ready signaling | Yes, ready lamp, dim and/or switchable beep sound. |
Auto dumping | Yes |
USB interface | Yes, USB Mini port for FW upgrading |
Diameter | 14cm (5.5") |
Length | 31cm (12.2") |
Height | 21cm (8.3") |
Weight | 3kg (Including batteries) 6.6 LBS 3kg (Including batteries) |