Canon 430EX Speedlite E-TTL II Shoe-Mount Flash (Guide No. 141 ft. @43 m at 105mm)

• LCD Panel
 A rear LCD and intuitively placed controls make other new features more accessible, such as adjusting manual flash exposure from full power to 1/64 in whole stop increments, and enabling the second curtain sync function.
 
• Added Flexibility
 Six custom functions are also now available, as well as a flash head that is more maneuverable and capable of more angles for bouncing flash illumination than its predecessor.
 
• Multiple Flash Exposure Modes
 E-TTL II, E-TTl, TTL & Manual
 
• Improved Recycling Time
 40% faster recycling time than the Speedlite 420EX
 
• Optimum Flash Coverage
 Automatically adjusts the flash coverage to adjust for differences in chip size on digital cameras
 
• Pro Functions
 High-speed FP sync mode, Rear curtain sync, SE Save Energy, and FE Lock (spot/partial flash metering)
 
• Wireless Operation
 Wireless TTL "slave" flash with EOS 1V, EOS 3, D30 and Pro Digital cameras
 
• AF Assist
 Ultra-bright 2-LED focus assist-beam compatible with all focus points of all EOS AF systems, up to 9-point AF 

Type Shoe mount 
 
Guide No. 141' (43 m) @ 105mm
 
Angle of Coverage 114 Degrees (14mm in 35mm) to 23 Degrees (105mm in 35mm)
 
Vari-Power Yes, full power to 1/64th (in whole stop increments)
 
TTL Dedication Yes (E-TTL II with appropriate cameras)
 
Bounce Head Yes
 
Swivel Head Yes
 
Zoom Head 24-105mm (flash head senses focal length, sensor size & adjusts accordingly), plus built-in 14mm panel
 
Off Camera Terminal No
 
Recycle Time 3.7 Seconds (based on alkaline batteries & full power)
3 Seconds (based on NiMH batteries & full power) 
 
Power Source Four AA 1.5-volt batteries
 
Dimensions 2.8 x 4.8 x 4" (72 x 122 x 101mm) WxHxD
 
Weight 11.6 oz 330 g) [without batteries]