View Full Version : Can the 420EX flash be a slave to the camera?
12th of February 2005 (Sat), 00:51
I am wondering if the 420EX flash can be a slave the 20D that does not have a 550 or 580 flash? I have a friend who has taken some amazing shots of some humming birds with a Nikon set-up. His flash is triggered by his cameras flash. Can it be done on the 20D and 420EX?
12th of February 2005 (Sat), 02:10
No. AFAIK you need a wireless master like the 550 or 580 to use the 420 as a slave. I think there are flashes that can be triggered by another flash, but the problem with them is the preflash can set them off.
12th of February 2005 (Sat), 08:02
Thank you, thats what I needed to know.:)
12th of February 2005 (Sat), 08:09
you need a wireless master like the 550 or 580
Or the Canon ST-E2 transmitter.
Which I think is being upgraded? Sometime soon? Not sure ... Canon's been talking about it for a while. Useful device, but for the price you may get more mileage out of a 550.
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