Canon Speedlite 420EX - Manual (Page 49)

Major Specifications _
Type............................................Direcl-contac!. shoe-mourn flash with E-TTiyiTL auloilash.
(AF*assisl beam, aulozoom head, bounce flash, and wireless slave setting
provided.)
Compatible cameras.................. Type-A EOS cameras (E-TTL autollash). page 2)
Type-B cameras {TTL autollash). (-♦ page 2)
Flash coverage and Guide No. ...See page SO.
Recycling lime and flash count ...See page 11 and 50.
Flash duration.............................1.2 ms or less with normal flash.
Flash coverage........................... Autozoom head is positioned automatically to suit the lens focal length
(24mm. 28mm. 35mm. 50mm. 70mm, and 105mm).
Flash modes............................... (1> Normal sync
(2) High-speed sync (FP flash)
(3) Test firing
(4) Modeling flash (at 70 Hz for t sec.)
Bounce angles.......................... See page 40.
Exposure control modes:........... (1) E-TTL autoflash (with Type-A cameras and preflash evaluative metering)
(2) FE lock (with Type-A cameras and preflash evaluative metering)
(3) TTL autoflash (with Type-B cameras and off-the-film flash metering)
Flash exposure compensation....(1) Automatic flash output reduction for fill flash.
(2) Enabled with cameras having a flash exposure compensation feature.
Flash range................................ (1) With normal sync: 0.7 - 24.2 meters
(witft 50mm f.'t ,4 lens at IS0100) (2) With high-speed sync: 0.7 • 12.7 meters (at 1/180 sec.)
Sync speed................................See page 52.
Flash-ready indication...............Red pilot lamp.
Flash exposure confirmation..Yellow-green lamp.
AF-assist beam range................ Covers 1.3. 5. or 7 focusing points (covers only a part of the 45-poinl Area AF).
Range at center Approx. 0.7 - 7 m.
Range at periphery Approx. 0.7 • 5 m (in total darkness).
Wireless slave setting.................Slave setting Wireless selector set to SLAVE.
Channels 4
Slave group ID A. B. C
Reception angle Approx. •»-.•-40 ' horizontal. +/-30= vertical
Flash coverage Set to 24mm automatically.
Flash-ready indicator AF-assist beam emitter blinks.
Exposure control Automatic with the master unit (for E-TTL autoflash).
Test flash Enabled with master unit's test firing button.
SE mode.....................................Power turns off automatically after 90 sec. of non-use.
Power turns on with test firing button.
Power source:............................ (1) Four size-AA alkaline batteries
(2) Four size-AA Ni-Cd batteries
‘ Four size-AA nickel-hydride batteries
* Four size-AA lithium batteries
Dimensions (mm)....................... 71.5 (W) x 123 (H) x 99.4 (D) mm
2.8 (W) X 4.82 (H) X 3.89 (D) in
Weight.........................................300 g /10.6 oz (excluding batteries)
* The above specifications are based on Canon’s testing standards.
* Specifications and the external appearance are subject to change without notice.
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