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Old Aug 24, 2005, 7:43 PM   #1
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I just found an old flash that my dad was using on his non-SLR camera an Olympus!!!

But when I connect it to my DX6490 the camera don't reconize it !!

I don't know why but when I open my internal flashtheexternalone works fine!!



Need help :!:

thank you very much:-)
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Old Aug 24, 2005, 7:44 PM   #2
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1rst picture of the flash


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Old Aug 24, 2005, 7:45 PM   #3
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Old Aug 24, 2005, 9:21 PM   #4
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Boily wrote:

Quote:
But when I connect it to my DX6490 the camera don't reconize it !!


If you connect itto the PC sync jack, it's normal that the camera don't know it, but it suppose to work .

Boily wrote:
Quote:
I don't know why but when I open my internal flashtheexternalone works fine!!



Seems to me that it"s a slave flash : first it's called "flash asservi", second, the presence of the sensor (I believe so) on the top. that's why it works as a slave flash.

PS:does it have a user manual? may be some basic info are printed on the side of the box.

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Old Aug 25, 2005, 1:35 AM   #5
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Hi Boily

Have no fear, KCan`s here. My guess is that it was made before Hotshoes came on the market. The extension is just for attaching too a camera like Mamiya TLR. Relying on the sync lead too fire the flash. You are a lucky boy, I bet the trigger volts are very high. You could have fried your camera.
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Old Aug 25, 2005, 12:55 PM   #6
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The 6490/7590 will handle up to 500 volts trigger flash

Dan


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Old Aug 25, 2005, 2:47 PM   #7
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Thats the problem no manual !!!
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Old Aug 25, 2005, 2:53 PM   #8
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Kcan has reason on the side of the flash it says salve on or off ???

What should I put ??

What does it mean??


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Old Aug 25, 2005, 2:58 PM   #9
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The back of my flash


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Old Aug 25, 2005, 4:47 PM   #10
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Most intriguing.

First, does it work? Old electronics involving capacitors (and flash units depend on them heavily) can become inoperable as the capacitors break down or short internally.

Second, if it works, is it set up for a hot shoe? You can test this by charging the unit, then forming a paper clip to touch the ball at the center of the base + (typically) a metal contact in one or both of the slots on the sides of the base... the slots that slides into the hot shoe receptacle. If there is no metal contact in the slots, then it does not have a hot shoe.

Is there anything at all on the box -- any list of features?

Where did your father buy it? Is there a manufacturer or distributor nameon the box?

What model Olympus does it work on? (Trying to find out if your father's camera had through-the-lens flash control. The "auto" switch on the back suggests that it can be used withthrough-the-lens or TTL flash control... but it might mean only that this flash can control its output via thelittle windowon the front, and you can switch that off, probably to obtain maximum light output).

On the side of the flash -- you say that it says "salve"? Perhaps you meant "slave"? With the flash connected via the PC connector (or hot shoe), you want slave "off."

Slave "on" is used when the flash is not connected to the camera either by the PC cord or the hot shoe. The slave feature will fire the flash in synchronization with your camera's on-board flash -- that is, when the light pulse from the camera's flashhits the sensor on the slave unit, the sensor closes the circuit and fires the slave flash. The sensor on the slave flash has to be positioned so that it can "see" the camera's on-board flash.
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