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with full support for Sony ADI / P-TTL, including high-speed sync, and a built-in 2.4GHz radio system, the Godox TT685S Thinklite TTL Flash will make it easy to create both simple and elaborate lighting setups. When mounted on camera, it is an effective lighting tool with a powerful guide number of 197' at ISO 100 and 200mm, a zoom Range of 20-200mm, and the ability to tilt from -7 to 90° and rotate 360°. As a TTL-capable unit, the TT685S can also operate as a full wireless master or slave unit with TTL functionality.
Operation is intuitive with a rear LCD panel that shows settings. Also, the flash is equipped with a Wireless Control Port for attaching an optional remote control set and it has a 3.5mm sync port for basic wired connectivity. It runs on four AA batteries, which help provide a recycle time of 0.1-2.6 seconds.
Flash Head
| Guide Number | 196.85' / 60 m at ISO 100 (200 mm Position) |
| Coverage | Full-Frame 20 to 200 mm 14 mm (with Wide-Angle Adapter) |
| Auto Zoom Head | Yes |
| Bounce Head | -7 to +90° |
| Swivel Head | 360° |
| Flash Duration | 1/300 to 1/20000 Second |
| Recycle Time | Approx. 0.1 to 2.6 Seconds |
| Secondary Illumination | Modeling Light |
Exposure Control
| Exposure Control | Sony ADI / P-TTL |
| Flash Modes | Hi-Speed Sync, Second-Curtain Sync |
| Power Range | 1/1 to 1/128 |
| Flash Compensation | -3 to +3 EV (1/3 EV Steps) |
Wireless
| Wireless Operation | Radio (TTL/Manual) Up to 328.08' / 100 m Optical Pulse (TTL/Manual) Up to 49.21' / 15 m (Master, Slave) |
| Wireless Channels | 32 |
| Wireless Groups | 3 |
| Remote Timing Modes | Instant Sync Skip Preflash |
Power
| Internal Power | 4 x AA (Alkaline, NiMH) |
| External Power Pack Compatible | Yes |
General
| Mount | Shoe |
| Off-Camera Terminal | 3.5 mm |
| Dimensions (W x H x D) | 2.5 x 3 x 7.5" / 64 x 76 x 190 mm |
| Weight | 14.46 oz / 410 g (without Batteries) |
Packaging Info
| Package Weight | 1.25 lb |
| Box Dimensions (LxWxH) | 7.9 x 3.6 x 3.2" |