| Mount | Shoe |
| Guide No. | 88.58' / 27 m ISO 100 at 50 mm Position |
| Exposure Control | E-TTL / E-TTL II |
| Angle of Coverage | 75° 46° |
| Bounce Head | 0 to +90° |
| Swivel Head | None |
| Coverage | 28 - 50 mm (Full Frame) |
| Distance Range | 2.30 to 63.32'; (0.7 to 19.3 m) at f/1.4 |
| Zoom Head | Full Frame: 28 - 50 mm |
| Off-Camera Terminal | None |
| Recycle Time | Approximately 0.1 - 3.9 Seconds |
| Flash-Ready Indicator | Yes |
| Compensation | -3 EV to +3 EV (in 1/3 EV steps) In-camera control |
| Wireless Operation | Method: Infrared Distance: Up to 16.40'; / 5 m |
| Wireless Communication Channels | 4 Channels |
| Wireless Groups | 1 Groups |
| Power Source | 2x AA Alkaline Batteries |
| Dimensions (W x H x D) | 2.6 x 2.6 x 3.0" / 66.0 x 65.0 x 77.0 mm |
| Weight | 5.47 oz / 155 g without batteries |
| Packaging Info | |
|---|---|
| Package Weight | 160gms |
| Box Dimensions (LxWxH) | 4.55 x 3.25 x 2.75" |