Canon 420EX - Manual (Page 49)

Major Specifications
Type
Compatible cameras
Flash coverage and Guide No
Recycling time and Hash count
Flash duration ...................
Flash coverage ..
Flash modes ..
Bounce angles
Exposure control modes;
Flash exposure compensation
Flash range ... .........
(with 50mm 1/1 4 lens at IS0100)
Sync speed
Flash-ready indication.
Flash exposure confirmation.
AF-assist beam range ..
Direct-contact, shoe-mount flash with E-TTL7TTL autoflash
(AF-assist beam, autozoom head, bounce flash, and wireless slave setting
provided)
Type-A EOS cameras (E-TTL autoflash). page 2)
Type-B cameras (TTL auloflash). page 2)
See page 50.
See page 11 and 50
1 2 ms or less with normal flash
Autozoom head is positioned automatically to suit the lens focal length
(24mm, 20mm, 35mm, 50mm, 70mm, and 105mm)
(1) Normal sync
(2) High-speed sync (FP flash)
(3) Test firing
(4) Modeling flash (at 70 Hz for 1 sec )
See page 40
(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)
(1) Automatic flash output reduction for fill flash.
(2) Enabled with cameras having a flash exposure compensation feature.
(1) With normal sync: 0.7 - 24.2 meters
(2) With high-speed sync: 0 7-127 meters (at 1/180 sec)
See page 52.
Red pilot lamp
Yellow-green lamp
Covers 1,3, 5, or 7 focusing points (covers only a part of the 45-point Area AF)
Wireless slave setting
SE mode ..
Power source: ...
Dimensions (mm)
Weight ..
Range at center Approx 0.7 - 7 m,
Range at periphery Approx 0 7 - 5 m (in total darkness)
.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
Power turns off automatically after 90 sec of non-use
Power turns on with lest firing button
. ..(1) Four size-AA alkaline batteries
(2) Four size-AA Ni-Cd batteries
* Four size-AA nickel-hydride batteries
• Four size-AA lithium batteries
71 5 (W) X 123 (H) X 99 4 (D) mm
2 8 (W) X 4 82 (H) X 3 89 (D) in
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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