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Paillard Bolex H16, need some help


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#1 Markus Ottosson

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Posted 02 June 2012 - 03:09 AM

Hi
I bought a Paillard Bolex H16 a while ago that does not look quite like any other, seems like someone has modified some extra accessory to it.

Here are som pictures
Posted Image

A closer look
The darker part of the "disk" is magnetic.
Posted Image

And this is connected the "thing"
Posted Image

I've also uploaded a video so you can see how it works
Bolex H16 - YouTube

Anybody have a clue?
I'm new to these kind of cameras so I have no idea.
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#2 Jean-Louis Seguin

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Posted 02 June 2012 - 07:45 AM

Hi
I bought a Paillard Bolex H16 a while ago that does not look quite like any other, seems like someone has modified some extra accessory to it.

Here are som pictures
Posted Image

A closer look
The darker part of the "disk" is magnetic.
Posted Image

And this is connected the "thing"
Posted Image

I've also uploaded a video so you can see how it works
Bolex H16 - YouTube

Anybody have a clue?
I'm new to these kind of cameras so I have no idea.




The magnet likely acts on a reed switch which will close once every 8 frames.
It might be to control an external digital frame counter but it wouldn't be very accurate.

Cheers,
Jean-Louis
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#3 Dom Jaeger

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Posted 02 June 2012 - 07:57 AM

At a guess it's a home-made tachometer, probably used to set the speed as accurately as possible. With each revolution of the disc (8 frames) the magnet will trigger a switch to create a pulse, so exactly 2 pulses per second is 16 fps, 3 pulses per second and you're at 24 fps. Presumably there was a readout box that the plug fitted into.
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