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Old Feb 7, 2005, 11:50 PM   #1
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will i have to buy an optical trigger to convert my old 430ez flash to a slave to my onboard flash or is it built in.. thanks all for any info!!!
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Old Feb 8, 2005, 9:27 AM   #2
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You will need to buy a trigger there is none in the 430ez.

I tried my 430ez with a photocell trigger and it would not fire. Not sure what is wrongthe photocell works OK on my Vivitar 3700.I will have to find some time to fiddle with this, there is no reason the flash should not have worked.

On a remote trigger the flash becomes a full manual device so you will need some way to measure light (flash meter) or a lot of guess work with the histogram.

Peter.

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Old Feb 8, 2005, 9:35 AM   #3
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You'll need to be careful with any optical slave since it'll be fooled by the pre-flash -> use the FEL lock button 1st to force it (or use a dumb small external flash that can't pre flash)
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Old Feb 8, 2005, 4:25 PM   #4
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sounds less than ideal... maybe i will have to invest in a 580/550ex and a 420ex....
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Old Feb 8, 2005, 7:22 PM   #5
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Sigma 500dg super, about the same price as the 420exwith the power & featuresof the 550ex. You can just about get 3 * 500dg supers for the price of one 420/580 pair.

Peter.
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Old Feb 8, 2005, 9:41 PM   #6
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I second PeterP for the Sigma EF-500DG Super, really flexible unit and can even sync with studio strobes with its built-in photoeye (unlike the Canon's)!

This unit costs about the same as the 420EX, but unlike the 420EX has both Master and Slave capability with full manual overide controls, and almost the GN of the 550EX (it can also act as an ST-E2): http://www.sigmaphoto.com/flashes/fl...ls.asp?id=3257
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Old Feb 8, 2005, 10:58 PM   #7
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wow, what a feature set for 183 bucks, i didnt even think to look to sigma for flashes... it has everything i could ever need (want) and probably more!

i am sure gladi mentioned here.. and i appreciate all the info guys...


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Old Feb 9, 2005, 7:17 AM   #8
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You have to try the wireless modes with multiple heads - You can do ratio (with modeling lights) or FEC compensation with 1 group all controlled from the camera's Master unit!

BTW they now have a macro flash too - http://www.sigmaphoto.com/flashes/fl...58&navigator=1

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Old Feb 9, 2005, 11:43 AM   #9
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Does anyone have experience using the 420EZ as a handheld or bracket-held flash with a Canon 10D / 20D / 300D type camera? Can one use its onboard metering function for automatically exposed pictures?
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Old Feb 9, 2005, 11:18 PM   #10
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Monito wrote:
Quote:
Does anyone have experience using the 420EZ as a handheld or bracket-held flash with a Canon 10D / 20D / 300D type camera? Can one use its onboard metering function for automatically exposed pictures?
I believe you can extend the E-TTL function to an off camera mounted flash such as the 420EX by using the Off-Camera Shoe Cord 2

... To do it wirelessly you'll need a Master or an ST-E2 wireless controller.
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