Westcott FJ100 100Ws Off-Camera Strobe with FJ-T1 S Trigger for Sony (4-Light Backpack Kit)

Westcott FJ100 100Ws Off-Camera Strobe with FJ-T1 S Trigger for Sony (4-Light Backpack Kit) This kit bundles four FJ100 100Ws off-camera strobes with the FJ-T1 S wireless trigger for Sony, along with four proprietary rechargeable batteries, four AC adapters, five USB cables, four swivel mounts, and a storage backpack. Each fixture is a compact monolight with a built-in flash tube, a 2W LED modeling light, and a touchscreen LCD, designed for location-based lighting where portability and battery power are central.

Battery-Powered Operation and Charging

Each FJ100 runs on a proprietary rechargeable lithium-ion battery rated at 7.4 VDC, 3200 mAh, and 23.68 Wh. The kit includes four batteries, one per light, with each battery capable of up to 700 flashes at maximum brightness. Charging is handled via USB-C using the included USB-A to USB-C cables and AC adapters, with a 140-minute charge time per battery. The lights can also be powered through USB power using the included cable, and the AC adapters accept 100 to 240 VAC at 50/60 Hz.

TTL and High-Speed Sync via FJ-T1 S Trigger

The included FJ-T1 S transmitter provides TTL metering for Sony cameras using ADI / P-TTL protocols. The trigger also enables high-speed sync up to 1/8000 sec, allowing the strobes to be used at shutter speeds beyond the standard camera sync limit. Wireless control operates over a 2.4 GHz radio frequency with 31 channels and 16 groups, and the system includes a built-in optical receiver for additional triggering flexibility.

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