TTL

E-TTL

Guide Number:   58 m/190 ft at ISO 100 (105 mm Zoom-head Setting)
Flash Recycle Time:   100 ms to 6 Second - with fresh AA-size alkaline batteries
Flash Range:   19.69" to 98 ft Approximate with 50 mm f/1.4 Lens at ISO 100 (Flash)
Autofocus Assist:   AF Assist Beam Cover 45 Focusing Point - Distance range - 2 to 32.8 feet at center; 2 to 16.4 feet at periphery

Interfaces/Ports

Interfaces/Ports:   Hot Shoe

Battery Information

Batteries:  

4 x AA Alkaline Supported

4 x AA Lithium Supported

4 x AA Nickel-Metal Hydride (NiMH) Supported

CP-E3 Supported

Transistor Pack E Supported

Battery Life:   100 to 700 Flash Maximum - with fresh AA-size alkaline batteries

Power Description

Power Source:   Battery

Physical Characteristics

Dimensions:   3" x 5.30" x 4.50"
Weight (Approximate):   13.20 oz - without batteries

Miscellaneous

Additional Information:  

Full swivel, 180° in either direction

Fourteen Speedlite Custom Functions built-in; set on Speedlite's LCD panel

Superior build quality, including a metal foot for higher rigidity

Auto conversion of flash coverage with compatible digital SLR cameras

White Balance info communicated instantly to compatible digital SLR cameras

AF-assist beam, compatible with all AiAF points on every EOS SLR Dust- and water- resistance to match the EOS-1D Mark III
Compatibility:  

EOS Digital SLR Cameras

Digital Cameras:

PowerShot G2

PowerShot G3

PowerShot G5

PowerShot G6

PowerShot Pro1

35mm SLR Cameras:

T90

EOS-1v

EOS-3

EOS Elan 7N series

EOS Elan 7 series

EOS Elan II series

EOS Rebel T2

EOS Rebel Ti

EOS Rebel K2

EOS Rebel G2

EOS Rebel G