Type | On camera, E-TTL II/E-TTL/TTL autoflash Speedlite. |
Compatible cameras | All EOS SLR cameras (flash metering system may differ depending on the camera) |
E-TTL II autoflash (Type-A cameras): all EOS digital SLR Camera from the EOS-1D Mark II onward, EOS 30V and EOS 300X. |
E-TTL autoflash (Type-A cameras): enabled with all EOS SLR cameras from the EOS 50/50E onward (except EOS 88) |
TTL autoflash (Type-B cameras): enabled with all other EOS SLR cameras. |
Guide No. (at ISO 100 in m) | Zoom position | Guide No. |
14mm | 15 |
24mm | 28 |
28mm | 30 |
35mm | 36 |
50mm | 42 |
70mm | 50 |
80mm | 53 |
105mm | 58 |
Flash coverage | 24-105mm (14mm with wide panel) - Auto zoom - Manual Zoom - Flash head swing/tilt (bounce flash) |
Bounce direction | Up: 0-90o Down: 0-7o Left: 0-180o Right: 0-180o |
Flash duration | Normal flash: 1.2 ms or shorter, Quick Flash: 2.3ms or shorter |
Autozoom control for the image size | When the Speedlite is attached to an EOS digital camera (from EOS-1D Mark II onwards), the flash head will zoom to obtain optimal flash coverage according to the camera's image size. (Full-frame, APS-H Size, APS-C size). |
Color temperature information transmission | Flash color temperature information transmitted to compatible camera when flash is fired |
Exposure Control | |
Exposure control type | E-TTL II/E-TTL/TTL autoflash, auto/manual external metering, manual flash |
Effective Flash range (with EF 50mm f/1.4 USM, ISO 100) | Normal flash: Approx. 0.5-30m Quick flash: 0.5-7.5m(min.), 0.5-21m (max.) High-speed sync: Approx. 0.5-15m (at 1/250sec) |
Flash exposure compensation | Manual, FEB:+/-3 stops in 1/3-stop increments (Manual and FEB can be combined) |
FE Lock | With <FEL> button or <*> button |
High-speed sync | Provided |
Stroboscopic flash | Provided(1-199Hz) |
Shutter Curtain Synchronization | 1st-curtain or 2nd-curtain synchronization can be set |
Flash Exposure confirmation | Pilot lamps light |
Flash Recycling (with AA-size alkaline Battery) |
Recycling time/ Flash-ready indicator | Normal flash: 0.1-5 sec. /Red pilot lamp lights Quick flash: 0.1-2.5 sec/Green pilot lamp lights |
Wireless Flash |
Transmission method | Optical pulse |
Channels | 4 |
Wireless options | OFF , Master and Slave |
Transmission range (Approx.) | Indoors: 12-15m Outdoors: 8-10m Reception angle: +/- 40o horizontal, +/-30o vertical |
Controllable slave group | 3 (A, B and C) |
Flash ratio control | 8:1-1:1-1:8 in ½-stop increments (A:B) |
Slave-ready indicator | AF-assist beam blinks |
Modeling flash | Fired with camera's depth-of-field preview button |
AF-Assist Beam | |
Linkable AF points | 1-45 AF points (28mm or longer focal length) |
Effective range (Approx.) | At center: 0.6-10m Periphery: 0.6-5m |
Power Source | |
Internal power | Four size-AA Alkaline/Ni-MH/lithium batteries |
| 100-700 flashes (with size-AA alkaline batteries) |
Battery life (wireless transmission) | Approx. 1500 transmissions (Master unit firing disabled, size-AA alkaline batteries) |
Power Saving | Power off after certain period of idle operation (Approx. 1.5min. to 15min.)(60 min. if set as slave) |
External Power Source | Compact Battery Pack CP-E4 |
General | |
Custom Function | 14 (32 settings) |
Camera-controlled Speedlite | Enabled (with EOS-1D Mark III) |
Dust and water-resistance | Yes (with EOS-1D Mark III) |
PC Terminal | Provided |
Dimensions (W x H x D)(mm) | 76 x 137 x 117mm (Excluding dust- and water-resistance adapter) |
Weight (without batteries) (g) | 405g |