| Type: | | Macro photography Speedlite with twin flash heads with E-TTL/TTL autoflash control. |
| Configuration: | | Control unit (with LCD), connecting cord, flash heads (A,B) and mounting ring. |
| Compatible Cameras: | | All Canon EOS cameras (flash exposure system differs depending on the model). |
| Guide No. (ISO100,in metres) Zoom/Guide: | | 22 with twin flash heads, 24 (with single flash head). |
| Compatible Lenses: |
| COMPACT MACRO : | | EF 50mm f/2.5 |
| MACRO : | | EF 100mm f/2.8 |
| MACRO USM : | | EF 100mm f/2.8 |
| MACRO USM: | | EF 180mm f/3.5L (requires adapter 72C) |
| MACRO LENS : | | MP-E 65mm f/2.8 1-5X. |
| Bounce Flash: | | Applicable to a single flash head oriented vertically on a horizontal plane: |
| Vertical: | | 45 degrees upwards and downwards |
| Horizontal : | | 60 degrees inwards, 30 degrees outwards |
| Mounting Ring: | | 50 degrees upwards, 30 degrees downwards |
| Flash Coverage: | | A: Approx. 70 degrees, B: Approx. 53 degrees |
| Exposure Control Modes: | | ETTL/TTL. |
| Flash Range : | | (at ISO100 at f/2.8) |
| Normal flash: | | approx. 20mm-7.9m (twin). |
| High speed sync: | | approx. 20mm - 8.6m (twin). |
| Custom Functions: | | 9 |
| Power Switch: | | ON/OFF sliding main switch. SE mode provided. |
| Power Sources: | | Four AA alkaline/NiCd/NiMH batteries. |
| Dimensions : | | (WxHxD) mm |
| Control unit: | | 74 x 125.9 x 97.4 mm |
| Flash head : | | 235 x 90.4 x 49 mm |
Canon