nate_appel1 Posted April 18, 2005 Share Posted April 18, 2005 Hi, I'm looking at picking up a used 540ez and was wondering if this flash has a built in optical slave. Thanks=Nate Link to comment Share on other sites More sharing options...
gil_batzri Posted April 18, 2005 Share Posted April 18, 2005 No it doesn't. None of Canon's proprietary flashes do. That is more a feature you will find in Monolights then on camera type/shoe mount flashes. The canon strobes can be fired remotely (the 550 at least) using an IR trigger from another 550 on camera or Canon's shoe-mount remote IR trigger device. Otherwise you need to get a sync to hotshoe adapter, then you can fire it with a sync or pocketwizard or other radio or optical device. Link to comment Share on other sites More sharing options...
paul - Posted April 18, 2005 Share Posted April 18, 2005 Sigma's EF 500 Super is like a 550EX (near) clone, plus it has a built-in optical slave. Link to comment Share on other sites More sharing options...
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