Major Specifications - Canon Speedlite 420EX Instruction Manual

Major Specifications

Type .......................................Direct-contact, shoe-mount flash with E-TTL/TTL autoflash.
Compatible cameras ..............Type-A EOS cameras (E-TTL autoflash). (→ page 2)
Flash coverage and Guide No. ...See page 50.
Recycling time 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
Flash modes...........................(1) Normal sync
Bounce angles .......................See page 40.
Exposure control modes: .......(1) E-TTL autoflash (with Type-A cameras and preflash evaluative metering)
Flash exposure compensation ....(1) Automatic flash output reduction for fill flash.
Flash range ............................(1) With normal sync: 0.7 - 24.2 meters
(with 50mm f/1.4 lens at ISO 100) (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-point Area AF).
Wireless slave setting ............Slave setting
SE mode ................................Power turns off automatically after 90 sec. of non-use.
Power source: ........................(1) Four size-AA alkaline batteries
Dimensions (mm) ...................71.5 (W) x 123 (H) x 99.4 (D) mm
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.
(AF-assist beam, autozoom head, bounce flash, and wireless slave setting
provided.)
Type-B cameras (TTL autoflash). (→ page 2)
(24mm, 28mm, 35mm, 50mm, 70mm, and 105mm).
(2) High-speed sync (FP flash)
(3) Test firing
(4) Modeling flash (at 70 Hz for 1 sec.)
(2) FE lock (with Type-A cameras and preflash evaluative metering)
(3) TTL autoflash (with Type-B cameras and off-the-film flash metering)
(2) Enabled with cameras having a flash exposure compensation feature.
Range at center
Range at periphery
Channels
Slave group ID
Reception angle
Flash coverage
Flash-ready indicator
Exposure control
Test flash
Power turns on with test firing button.
(2) Four size-AA nickel-hydride batteries
* Four size-AA lithium batteries
2.8 (W) x 4.82 (H) x 3.89 (D) in
Approx. 0.7 - 7 m,
Approx. 0.7 - 5 m (in total darkness).
Wireless selector set to SLAVE.
4
A, B, C
Approx. +/-40° horizontal, +/-30° vertical
Set to 24mm automatically.
AF-assist beam emitter blinks.
Automatic with the master unit (for E-TTL autoflash).
Enabled with master unit's test firing button.
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