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Old Arri 35mm Camera


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#1 Arthur Benoit Lambrecht

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Posted 25 February 2014 - 08:35 AM

Hey!

I'm looking for some information on a camera that I bought some time ago. This is an Arriflex and it serial number is 1828.

Someone can help me to identify what model is it?

Beause I need to know the shutter's apperture...

 

Thanks for help!

 

 


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#2 John Holland

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Posted 25 February 2014 - 08:51 AM

Is it 16mm or 35mm ? It must have something on it to indicate what model it is .
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#3 Arthur Benoit Lambrecht

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Posted 25 February 2014 - 08:57 AM

It's a 35mm camera, I think the angle is about 60°, do you think it's possible?


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#4 Dom Jaeger

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Posted 25 February 2014 - 09:36 AM

The very first Arriflex 35 had a bowtie mirror with a 120 degree opening, which would mean two 60 degree gaps. 

 

Is yours like this:  http://www.cinematog...showtopic=53764

 

 


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#5 Arthur Benoit Lambrecht

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Posted 25 February 2014 - 10:33 AM

ok, thank you for this interesting topic that i didn't find before.

So my camera is a model 1, and it time exposure is 1/144 at 24 fps.

 

Thank you to having answered!


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#6 Phillip Mosness

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Posted 28 February 2014 - 01:02 AM

Looks like it's still 1/48th according to these folks but maybe they're talking about later models with different shutter angle

http://cinematograph... shutters .htm


Edited by Phillip Mosness, 28 February 2014 - 01:04 AM.

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#7 Dom Jaeger

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Posted 28 February 2014 - 02:21 AM

The first Arri 35 had a shutter angle of 120 degrees, so the exposure time is 1/72 sec at 24 fps.

The butterfly shutter spins at half the rate of the pulldown cycle, so each 60 degree gap exposes one frame every 180 degrees of shutter.
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#8 Arthur Benoit Lambrecht

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Posted 03 March 2014 - 10:09 AM

Yes, you're right, I made a mistake!

Because the time takes the shutter for one cycle is not for one but for two picture (1/12 sec).

Thank a lot!


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