User's Manual

Firmware Upgrade
This flash supports firmware upgrade through the USB port. Update information will be
released on our official website.
Technical Data
Model TT685C
•Type
Compatible Cameras Canon EOS cameras (E-TTL II autoflash)
Guide No. ( 1/1 output @
200mm)
60 (m ISO 100)
190 (feet ISO 100)
Flash Coverage 20 to 200mm
·Auto zoom (Flash coverage set automatically to match the lens
focal length and image size)
·Manual zoom
· Swinging/tilting flash head (bounce flash): 0
to 360 °
horizontally and -7° to 90° vertically
Flash Duration
1/300 to 1/20000 seconds
•Exposure Control
Exposure control system E-TTL II autoflash and manual flash
Flash exposure Manual. FEB: ±3 stops in 1/3 stop increments (Manual FEC and
z USB connection line is not included in this product. The USB port is a
standard Micro USB socket. Common USB connection line is applicable.