The Godox TT685C is a powerful Canon-compatible TTL Speedlite flash designed for DSLR photographers who demand professional-grade performance on and off camera. With a guide number of 60m (ISO 100, 200mm) and High-Speed Sync support up to 1/8000 sec, it delivers stunning exposures in any lighting condition — from bright outdoor shoots to dramatic studio setups.
Featuring a built-in 2.4GHz radio transceiver alongside optical wireless transmission, the TT685C operates seamlessly as a Master or Slave unit with a wireless range of up to 100 meters, giving you complete creative freedom. A dot matrix LCD display, fully backlit buttons, and an external battery port round out a flash that punches well above its class.
Key features
- Powerful Guide Number 60m: Delivers broad flash coverage at ISO 100 and 200mm, ensuring well-lit subjects even at distance.
- High-Speed Sync up to 1/8000 sec: Freeze fast action or shoot wide-open apertures in bright daylight without overexposure.
- Built-in 2.4GHz Radio + Optical Wireless: Trigger and control off-camera flashes up to 100m away with 32 channels and 3 slave groups for complex multi-light setups.
- Full TTL & Manual Exposure Control: Flash Exposure Compensation of ±3 stops in 1/3-stop increments gives precise, repeatable results in any scenario.
- Multi Flash Mode: Fire up to 90 bursts at 100Hz for creative stroboscopic effects and motion studies.
- Dot Matrix LCD & External Battery Port: Easy on-screen menu navigation and support for external battery packs for faster recycling during intensive shoots.
Specifications
| Compatible Cameras | Canon DSLR (TTL Auto Flash) |
|---|---|
| Guide Number | 60m / 190ft (ISO 100, 200mm) |
| Flash Duration | 1/300 to 1/20000 sec |
| High-Speed Sync | Up to 1/8000 sec |
| Wireless Transmission | Built-in 2.4GHz Radio + Optical |
| Wireless Range | 100m (2.4GHz), 15m Indoors (Optical) |
| Wireless Channels | 32 (2.4GHz), 4 (Optical) |
| Flash Exposure Compensation | ±3 stops in 1/3-stop increments |
| Multi Flash | Up to 90 times at 100Hz |
| Display | Dot Matrix LCD with backlit function buttons |
Frequently asked questions
Is the Godox TT685C compatible with all Canon cameras?
The Godox TT685C is specifically designed for Canon DSLR cameras, offering full TTL auto flash functionality. It communicates with Canon's TTL metering system for automatic exposure control.
Can the TT685C be used as an off-camera flash without any extra triggers?
Yes — the TT685C has a built-in 2.4GHz radio transceiver, so it can operate as a wireless Slave unit up to 100 meters away. You can also use a Godox X1 TTL transceiver mounted on your camera as a Master/Transmitter to control it remotely.
Does the Godox TT685C support High-Speed Sync for outdoor portraits?
Absolutely. The TT685C supports High-Speed Sync (HSS) up to 1/8000 sec, making it ideal for outdoor portraits where you need a wide aperture in bright conditions without exceeding your camera's standard sync speed.
