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cp 16 with oxidation


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#1 Daniel Carruthers

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Posted 19 January 2009 - 01:12 PM

Hi
I work at a film co-op and we just got a CP 16mm camera given to us for free,by an old timer news camera man.
Anyways it looks like the camera has oxidation all over it,basically it looks like a moldy powder all over the camera.
I think the camera was in the guys basement for over 2 decades?
Anyways,I'm just wondering whats the best way to clean off that stuff?
And more importantly is it even worth the time and effort??
Im not sure if that stuff is also inside the camera motor,or moving parts
so just wondering if the camera should go in the trash,or if its worth cleaning up?
it came with a good lens,which seems to work great:)
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#2 Jean-Louis Seguin

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Posted 19 January 2009 - 01:32 PM

Hi Daniel,

Have you been able to test if the camera runs yet? That would be first step.

If it is mold, that's kinda scary but you could try cleaning the outside with some Tilex or Fantastic.

Cheers,
Jean-Louis

Edited by Jean-Louis Seguin, 19 January 2009 - 01:32 PM.

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#3 Phil Rhodes

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Posted 19 January 2009 - 07:44 PM

I'd have thought fungus was a lot less problematic than corrosion.

If it's actually rusted, then crikey...

P
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#4 Simon Wyss

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Posted 27 January 2009 - 06:45 AM

That is disintegration of the alloy, intercrystalline corrosion. You cannot do a thing about it. There are several factors that can trigger it, sea salt is one of them, then rust from steel screws in the body, and more.
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#5 Brian Drysdale

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Posted 27 January 2009 - 07:43 AM

That is disintegration of the alloy, intercrystalline corrosion. You cannot do a thing about it. There are several factors that can trigger it, sea salt is one of them, then rust from steel screws in the body, and more.


You could turn the knob on the central sprocket wheel to see if the camera turns over easily by hand. You should feel the movement resisting slightly but nothing rough or noisy. However, if you can't even open the side door to check I'd just dump it.

You can also remove the battery side cover using Allen keys to see if it's corroded inside.
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#6 Daniel Carruthers

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Posted 30 January 2009 - 05:16 PM

Im thinking the camera might be usless:(
But the lens is still in great shape
Im not familiar with the mount of the lens?
Its an Angeniex zoom 10-150mm
Im wondering if this lens is compatible with another camera,maybe an eclair npr
but I dont know the type of mount the lens is?
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#7 Jean-Louis Seguin

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Posted 30 January 2009 - 09:18 PM

Im thinking the camera might be usless:(
But the lens is still in great shape
Im not familiar with the mount of the lens?
Its an Angeniex zoom 10-150mm
Im wondering if this lens is compatible with another camera,maybe an eclair npr
but I dont know the type of mount the lens is?



Hi Daniel,

It must be CP mount. Only works on CP made cameras (CP-16R and GSMO)

Lens can be remounted to whatever you like.

This is a 16mm lens only and will not cover super-16 adequately.
In fact, it will even show vignetting in regular 16mm at wide angle and close focus.

Cheers,
Jean-Louis
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#8 Brian Drysdale

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Posted 31 January 2009 - 04:33 AM

Yes, unless it's an Arri Bayonet mount and you've got a mount adapter it will be a CP mount. A good lens technician can change this to another another mount.
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#9 Daniel Carruthers

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Posted 02 February 2009 - 01:02 PM

Hi Daniel,

It must be CP mount. Only works on CP made cameras (CP-16R and GSMO)

Lens can be remounted to whatever you like.

This is a 16mm lens only and will not cover super-16 adequately.
In fact, it will even show vignetting in regular 16mm at wide angle and close focus.

Cheers,
Jean-Louis



How much would it cost to get the lens remounted to an eclair NPR?
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