编辑 Canon Speedlite 420EX

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An external flash released by Canon in 2005. It has the ability to tilt and swivel, and compared to its predecessor, has a bit more power and an improved AF assist beam.

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== Technical Specifications ==

* ***Type:*** Direct-contact, shoe-mount flash with E-TTL/TTL autoflash
* ***Compatible Cameras:***
** Type-A EOS cameras (E-TTL autoflash)
** Type-B cameras (TTL autoflash)
* ***Flash Duration:*** 1.2 ms or less with normal flash
* ***Flash Coverage:*** 24, 28, 35, 50, 70, and 105 mm
* ***Flash Modes:***
** Normal sync
** High-speed sync (FP flash)
** Test firing
** Modeling flash (at 70 Hz for 1 sec)
* ***Flash Range:***
** ***With normal sync:*** 0.7 - 24.2 m
** ***With high-speed sync:*** 0.7 - 12.7 m (at 1/180 sec)
* ***AF-assist Beam Range:*** 0.7 - 7 m
* ***Wireless Slave Channels:*** 4
* ***Power Source:*** Four AA Batteries
* ***Dimensions:***
** ***Width:*** 71.5 mm (2.8 in)
** ***Height:*** 123 mm (4.82 in)
** ***Depth:*** 99.4 mm (3.89 in)
* ***Weight:*** 300 g (10.6 oz)

***Source:*** [link|https://www.usa.canon.com/support/p/speedlite-420ex?srsltid=AfmBOorNubwExE39gShGgciHdyD7vPnQNbr1faBP5vOrAOEckn2jplRw|Canon Instruction Manual]

== Additional Information ==

[link|https://en.wikipedia.org/wiki/Canon_EOS_flash_system|Wikipedia: Canon EOS flash system]

[link|https://www.usa.canon.com/support/p/speedlite-420ex?srsltid=AfmBOorNubwExE39gShGgciHdyD7vPnQNbr1faBP5vOrAOEckn2jplRw|Canon Instruction Manual]

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Parts Catalog

Instruction Manual

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