Offering full support for Canon E-TTL / E-TTL II and a built-in 2.4 GHz radio system, the Godox TT685C II Flash makes it easy to create both simple and elaborate lighting setups. A powerful and effective lighting tool, this flash features a powerful guide number of 197' at ISO 100 with a zoom range of 20-200mm. The TT685C II operates as a full wireless master or slave unit with TTL functionality, and for maximum versatility this updated unit tilts from -7 to 120° and rotates 330°, giving you more flexible flash angles and a more efficient lighting setup process. Also featured is a new and unique TCM (TTL Converted to Manual) function, which allows for instant conversion from TTL to manual mode. This function helps you lock the proper exposure value and is useful for quickly determining a good starting point for setting external flash units in manual mode. For ease of use, an easy-to-read rear LCD panel illuminates your flash settings, and the flash includes a 2.5mm sync port for basic wired connectivity.
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Key Features
- Built-In 2.4 GHz X Wireless Radio System
- Compatible with Canon E-TTL / E-TTL II
- Guide Number: 197' at ISO 100
- Zoom Range: 20-200mm
Offering full support for Canon E-TTL / E-TTL II and a built-in 2.4 GHz radio system, the Godox TT685C II Flash makes it easy to create both simple and elaborate lighting setups. A powerful and effective lighting tool, this flash features a powerful guide number of 197' at ISO 100 with a zoom range of 20-200mm. The TT685C II operates as a full wireless master or slave unit with TTL functionality, and for maximum versatility this updated unit tilts from -7 to 120° and rotates 330°, giving you more flexible flash angles and a more efficient lighting setup process. Also featured is a new and unique TCM (TTL Converted to Manual) function, which allows for instant conversion from TTL to manual mode. This function helps you lock the proper exposure value and is useful for quickly determining a good starting point for setting external flash units in manual mode. For ease of use, an easy-to-read rear LCD panel illuminates your flash settings, and the flash includes a 2.5mm sync port for basic wired connectivity.
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Godox TT685II Overview
An integrated 2.4 GHz X radio system is incorporated into the TT685C for wireless triggering. Able to be set up as a master or slave, this flash will help you create a versatile lighting setup with a range of 328' and support for 32 channels and four groups. Functions as a transmitter unit for the V1, AD200Pro, and AD300Pro flash systems. Also functions as a receiver unit for X1, X2, XPro, and V1 transmitter units.
Being compatible with the Canon E-TTL / E-TTL II system, users will enjoy numerous automated flash settings and the ability to use functions such as high-speed sync up to 1/8000 seconds.
With a guide number of 197' at ISO 100 the TT685C will easily illuminate most subjects. It also features a zoom head with a range of 20-200mm.
Manual power control from 1/1 to 1/128 in 1/3 EV steps.
The flash head can be tilted from -7 to 120° and rotated a total of 330° for controlling bounce and where the light falls on the scene.
Unique TCM (TTL Converted to Manual) function allows for instant conversion from TTL to manual mode. This function helps you lock the proper exposure value and is useful for quickly determining a good starting point for setting external flash units in manual mode.
Optical master/slave transmission is available for working with other standard flashes.
A 2.5mm sync port is available for setting up a wired connection to a camera or trigger.
Quick-release lock ensures a smooth and fast setup and so you can capture your next shot in critical moments.
This flash runs on four alkaline or NiMH AA batteries which help deliver about 330 full-power flashes and recycle times of 0.1-2.6 seconds.
External power port enables connection to power packs including the PB960 to boost the flash performance for more possibilities, making the flash ideal for weddings, fashion, news photography, and more.
USB Type-C connection for installing future firmware updates.
Godox TT685II Specs
Key Specs
| Guide Number | |
| Auto Zoom Head | |
| Bounce/Vertical Adjustment | |
| Swivel/Horizontal Adjustment | |
| Exposure Control | |
| Wireless Operation | |
| Internal Power | |
| Off-Camera Terminal |
Flash Head
| Guide Number | |
| Coverage | |
| Auto Zoom Head | |
| Bounce/Vertical Adjustment | |
| Swivel/Horizontal Adjustment | |
| Flash Duration | |
| Recycle Time |
Exposure Control
| Exposure Control | |
| Flash Modes | |
| Power Range | |
| Flash Compensation |
Wireless
| Wireless Operation | |
| Wireless Channels | |
| Wireless Groups | |
| Remote Timing Modes |
Power
| Internal Power | |
| External Power Pack Compatible |
General
| Mount | |
| Off-Camera Terminal | |
| Dimensions (W x H x D) | |
| Weight |
Packaging Info
| Package Weight | |
| Box Dimensions (LxWxH) |
Godox TT685II Reviews
Powerful flash
By Carter
Rated 5 out of 5
Date: 2026-05-24
Multiple options to fire this powerful flash: directly from the hotshoe mount, triggered by the remote transmitter, or optical slave to another flash, making it versatile for any situation. You'll need to read the manual or watch a YouTube video to learn how to set it up, as it is not obvious. It worked perfectly on my first shoot with zero stress. Very happy!
Fantastic product
By Kurt
Rated 5 out of 5
Date: 2026-04-10
Unbelievably fast shipping along with fantastic customer service! The flash works amazing with my cannon camera to take professional photos. I highly recommend B&H!
See any errors on this page?
Whenever I put batteries in it I see an E1 error ...
Whenever I put batteries in it I see an E1 error and tells me to reboot. I've tried with alkaline and envelope pro batteries?
I believe that is a defect on the Godox TT685C II Flash and it should be sent in for repair.
Date published: 2023-04-14
Will this flash work with the Canon r5
Will this flash work with the Canon r5
Yes, the Godox TT685C II Flash for Canon Cameras is compatible with the Canon EOS R5 Mirrorless Camera.
Date published: 2024-11-27
What is the power output of this flash?
What is the power output of this flash?
The Godox TT685C II Flash for Canon Cameras has a Guide Number: 197' at ISO 100.
Date published: 2024-03-28
Is there a compatible diffusion dome cap that is ...
Is there a compatible diffusion dome cap that is compatible with it?
There is not a model specific slide on dome cap for the Godox TT685C II Flash for Canon Cameras
BH #GOTT685IIC.
Date published: 2023-10-09
Will this work on an old Canon Rebel 2000 film ...
Will this work on an old
Canon Rebel 2000 film camera?
Yes, the Godox TT685C II Flash for Canon Cameras will work manually on the Canon Rebel 2000.
Date published: 2025-12-10
Will this work with a Canon EOS 90D?
Will this work with a Canon EOS 90D?
Yes the Godox TT685C II Flash for Canon Cameras will work on the Canon EOS 90D.
Date published: 2024-12-20
Can I use Godox X3 trigger with this flash?
Can I use Godox X3 trigger with this flash?
Yes, the Godox X3 C Touchscreen TTL Wireless Flash Trigger for Canon is compatible with the Godox TT685C II Flash for Canon Cameras.
Date published: 2025-01-27
If I were to buy more than one flash. Would they ...
If I were to buy more than one flash. Would they link together when I took pictures?
You can sync multiple Godox TT685C II Flash for Canon Cameras by using the Godox XProC TTL Wireless Flash Trigger for Canon Cameras. You can set them to the same channel, and they will all sync at the same time.
Date published: 2025-10-16