Type : Shoe Mount
Guide No. : 42 m at 50mm; 58 m at 105mm
Angle of Coverage : 84o (24mm in 35mm format) ~ 23.3o (105mm)
114o (14mm) with included wideangle adapter
Vari-Power : 1/1, 1/2, 1/4, 1/8th, 1/16th, 1/32nd, 1/64th & 1/128th (in 1/3 stop increments)
Auto Distance Range : Full TTL at all apertures
Auto f/Stops : Full TTL at all apertures
TTL Dedication : E-TTL II with all EOS digital SLRs
E-TTL & 21-zone evaluative metering with EOS-3, 1V, Elan 7/7E & Rebel TI, 2000
A-TTL 3-zone metering with other EOS cameras
Bounce Head : yes
Swivel Head : yes
Zoom Head : 24-105mm (auto-zoom, with auto adjustment for different CMOS sizes)
Off Camera Terminal : PC connector (only allows sync-in, not out)
Recycle Time : 6 Seconds in normal mode (based on fresh alkaline batteries & full power)
3 Seconds in rapid mode (based on fresh alkaline batteries & full power)
Power Source : four 1.5-volt "AA" alkaline batteries
Dimensions (WxHxD) : 75 x 134 x 114mmmm
Weight : 375 g