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Thread: power supply for ilex universal shutter No 5

  1. #1

    power supply for ilex universal shutter No 5

    Hello I'm trying to synchronize my shutter Ilex n5 universal with others devices. Some one of you knows the voltage and ampere ratio to do that. Thanks Michele Angioletti

  2. #2
    Whatever David A. Goldfarb's Avatar
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    power supply for ilex universal shutter No 5

    It's a mechanical shutter, no power required.

    If you are trying to sync strobes to an Ilex shutter, no problem at all. It's just a switch. Set the sync speed for X-sync for electronic flash (I don't have one in front of me, but I think it's the blue dot, if I remember correctly), plug in with the appropriate cord (if your shutter has a bipole sync, you can get one from Paramount), and go. There are no electronics in an Ilex shutter, so you don't need to worry about the trigger voltage, like you would on a new electronic 35mm camera.

  3. #3
    Whatever David A. Goldfarb's Avatar
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    power supply for ilex universal shutter No 5

    Now looking at an Ilex Universal No. 5, "X" sync is simply marked "X," so you can skip the part about the blue dot. Other shutters have that system.

  4. #4

    power supply for ilex universal shutter No 5

    As I understand the question, you have a mechanical Ilex shutter (works by springs and gears and your muscle power cocking the drive spring) and want to know the electrical protocol to synchronize something else with shutter. The X flash synch connection on the shutter has a very simple protocol: it is a normally-open switch that closes when the shutter blades are fully open. Your other device, e.g., a flash, is responsible for providing the voltage used to sense the closing of the switch. The voltage and current can be anything reasonable. Modern flashes use a few volts, old ones sometimes hundreds.

    Some older shutters have an M setting for the synch contacts. This causes the switch to close some milliseconds before the shutter blades. The pre-closing of the switch gives a flashbulb time to reach maximum intensity.

    If you have a electrically activated shutter instead of a mechanical one, ask again and I can provide some information.

  5. #5

    power supply for ilex universal shutter No 5

    After a lot of research, I found out that Ealing made a shutter supply, model 23-1993, and Coherent purchsed Ealing, and then Ealing spun off again. So I recommend searching for "Coherent 23-1993" or "Ealing 23-1993" on eBay or something.

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