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Old 27th February 2011
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Can I use this flash with my e520?

I'm having a good weekend!

Not content with finding two rather nice lenses in a friends loft, another friend has given me a flash!

It's a Sunpak G4500, in excellent condition, boxed and with the manual. He used to be a professional portrait photographer, and says that the flash has hardly been used.

It's a huge beast!

My question is, can I use this with my e520, and if so, what connecting bits do I need to buy?

Janet
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Old 27th February 2011
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Re: Can I use this flash with my e520?

you could start by just plonking it on the hot-shoe, putting the flash in auto mode camera in M (something like 1/180th, f8, iso 100) and seeing if it works in it's auto mode OK cross checking the above settings to your working distance etc

whilst I haven't personally measured the trigger voltage there are web references to that unit only having 7.06v trigger v - you may wish to measure your unit's yourself if concerned.
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Old 27th February 2011
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Re: Can I use this flash with my e520?

You are having a lucky time - I wish I had some friends like yours!

Personally I'd check the trigger voltage before physically attaching it to the camera! You just need to short the hotshoe bottom and side contacts using a voltmeter, and watch the meter as the flash fires.

Having a good manually flash like that opens up all sort of 'Strobist' possibilities so it'd probably be worth buying a radio trigger of some sort like the CTR-301P.
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Old 23rd February 2012
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Re: Can I use this flash with my e520?

Sorry to resurrect an old thread, but before I consign this to the bin, can anyone advise if it is safe to use with my e510 and e520?

I've had it sat here gathering dust for a while now....still in the box with all the attachments, manual and bracket to make me look as though I know what I am doing...

I'm not at all confident about trying it out on any of my cameras...I don't have a clue about how to check voltages and I really can't afford to risk damaging my cameras.

If I don't get a response that enables me to use it, then I'll offer it free to anyone who wants it.

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Old 23rd February 2012
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Re: Can I use this flash with my e520?

Don't risk it

Buy one of these:

Amazon Amazon



and trigger it off camera with that

I found an old flash that only works off the mains - its at least 30 years old
It works great with this device and my 520
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Old 24th February 2012
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Re: Can I use this flash with my e520?

Quote:
Originally Posted by Homer Simpson View Post
Don't risk it

Buy one of these:

http://www.amazon.co.uk/Channel-Wire...ref=pd_cp_ce_0

and trigger it off camera with that

I found an old flash that only works off the mains - its at least 30 years old
It works great with this device and my 520
I agree, don't risk it if there is any doubt. The old cameras used to trigger old flashes only had mechanical contacts & the high voltage didn't matter, but that isn't the case with digital cameras. An opto-coupler in adapters is usually how it is achieved now.
Another option (with an opto-coupler or something similar) is this safe sync adapter http://www.ebay.co.uk/itm/Hot-Shoe-H...item2a1973db15
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Old 5th March 2012
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Re: Can I use this flash with my e520?

Whatever you do, don't put it in the bin! I can give it a very good home!

I'm not convinced that any E-System camera can handle 200v and personally I wouldn't try.

The Sunpak G4500 also goes under the model name of Sunpak Auto 455, and Google suggests the trigger voltage is around 7.0v to 7.2v.

My personal feeling is to avoid using anything directly on my cameras that has a trigger voltage of more than 6volts, so I use CTR-301P radio triggers (they cost 20 or less on eBay for a transmitter & receiver) to use my old Sunpak AutoZoom 4000, Vivitar 283 and Vivitar 285.
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Old 5th March 2012
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Re: Can I use this flash with my e520?

As an alternative to a wireless trigger, you could get a simple slave unit that attaches to the flash with its own hot-shoe, then trigger this with the built in flash on the E-520.

There is also the option to fire the flash manually via the test button during a long manual exposure on the camera. Admittedly this technique is only useful for still life shots or night shots painting with light, but it does give another potential use for a very nice flash unit. Don't bin it, if all else fails you may be surprised how much it might fetch on ebay, I'm sure plenty of strobists would like it.
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