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Old Dec 11, 2009, 11:53 AM   #1
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Default Vivitar 285 HV Safe on E-620?

Does anyone know?
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Old Dec 11, 2009, 12:04 PM   #2
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I'd measure it, as they can vary (older units may have very high trigger voltages and newer runs may have low trigger voltages).

You'll see a link to a page on how to measure in this post:

Trigger Voltage Limits with Modern Digital Cameras

The ISO standard is 24 volts (but, some manufacturers claim you shouldn't go over around 6 volts), and some of the older Vivitars have very high trigger voltages (>200 volts).

I'd use a Wein Safe Sync if you've got one with a higher trigger voltage. Or, it would be just as easy to buy another flash to replace it. For example, I've got an older Vivitar 273 that I wouldn't use with digital because it's trigger voltage is too high. I've got a couple of Sunpaks I use instead (333 Auto and smaller 222 Auto).
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Old Dec 11, 2009, 12:13 PM   #3
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For the very reasons Jim states, I wouldn't try it without some type of voltage regulator in-between. Vivitar 283's and 285's were built over a very long time period and it is hard to know whether you've got a newer or older one.

The current Vivitar DF383, DF283 and Df183 units are about as good a value as you can find in a dedicated unit. If I were on a budget, the DF383 would definitely be near, if not at the top of my short list of units to buy. At around $120US for that much power, you'd have to look hard to find anything similar for that price in a dedicated unit.
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Old Dec 11, 2009, 12:30 PM   #4
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FWIW: PAGE 79 OF THE E-620 USERS MANUAL lists the different flashes made by Olympus that are compatible with the E-620.

For my money, I would buy an FL-36 Flash assembly. They work well with the E series DSLRs. Although no longer in production, you can pick up a used one for around 100-125bucks.
KEH.com has a few on sale starting at 109dollars



http://www.keh.com/Class-Products/1/DO/21/78394/WG.aspx

Zig
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Old Dec 11, 2009, 1:17 PM   #5
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Every 285HV I've used (I own three of them) has been safe with a trigger voltage less than 9v.

It's been my experience if the "ready" light is neon it's unsafe, and if it's an LED chances are it's safe...but I wouldn't bet my camera on that.
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Old Dec 11, 2009, 3:34 PM   #6
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Buy a cheap wirless trigger off ebay and triger flash thatway
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Old Dec 11, 2009, 4:49 PM   #7
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Measure it. ;-)

If you've got a volt meter (or can borrow one), it wouldn't take but a minute.
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Old Dec 11, 2009, 10:08 PM   #8
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it's safe, i assure you.
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