• E-TTL flash exposure control balances exposure between flash and ambient light
• FE Lock can be used with capable cameras
• TTL Autoflash
• 90-Second auto shut off feature
Type Shoe Mount
Guide No. 72' (22 m)
Angle of Coverage 75° (28mm lens in 35mm format)
Auto Distance Range 2.3-51.5' (0.7 to 15.7 m)
Auto f/Stops None (full TTL at all apertures)
Vari-Power None
TTL Dedication Yes (E-TTL on newer Canon cameras)
Bounce Head No
Swivel Head No
Zoom Head No
Off Camera Terminal No
Recycle Time 4.5 Seconds (based on fresh batteries & full power)
Power Source Four 1.5-volt "AA" alkaline batteries
Dimensions 2.6 x 3.6 x 2.4 (66 x 91 x 61mm) WxHxD
Weight 0.35 lb (159 g)