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cp-16r

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#1 Rudy Velez Jr

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Posted 09 March 2013 - 12:08 AM

I just won a cp-16r but the seller is now informing that there is a lost loop or up and down registration problem. 

 

this is the video he sent me: 

 

 

what do you folks reckon the problem is? Can I get it serviced and fixed?  About how much would that cost?


Edited by Rudy Velez Jr, 09 March 2013 - 12:09 AM.

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#2 Brian Drysdale

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Posted 09 March 2013 - 03:16 AM

It could be that he's just not putting in a large enough loop. I found that the bottom loop needs to be running just above the camera bottom, the printed loops are a bit too small.


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#3 Rudy Velez Jr

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Posted 09 March 2013 - 03:44 AM

So this could be just a problem related to film threading/loading?


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#4 Brian Drysdale

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Posted 09 March 2013 - 04:18 AM

I had it once and it was sorted by increasing the loop sizes. It seems too variable to be something like the shutter phasing being out.


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#5 Mark Dunn

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Posted 09 March 2013 - 06:38 AM

The problem isn't yours as you bought on the basis that is was in good order. Don't proceed until you see a good film test.


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#6 Rudy Velez Jr

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Posted 09 March 2013 - 08:47 AM

I had it once and it was sorted by increasing the loop sizes. It seems too variable to be something like the shutter phasing being out.

So this is a harmless problem? Nothing major, Just a threading issue related to loop sizes?, one has to be bigger than the other much like if you removed the loop informers on a K3 one loops is longer/shorter then the other.


Edited by Rudy Velez Jr, 09 March 2013 - 08:48 AM.

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#7 Brian Drysdale

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Posted 09 March 2013 - 09:07 AM

On a CP16 you thread everything manually, there aren't any loop formers. It's something you need to practise.

 

Looking at the footage, it's my first suspect, especially if inexperienced people are using the camera.

 

As suggested, if you can shoot a test with the camera do so.


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#8 Rudy Velez Jr

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Posted 09 March 2013 - 02:33 PM

So this is not a registration pin problem?


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#9 Brian Drysdale

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Posted 09 March 2013 - 02:43 PM

The CP16 doesn't have a registration pin, just a claw. In an ideal world you'd run a steady test, but the intermittent nature and it's the highlights doing a vertical  smear suggests a loop issue.


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#10 Rudy Velez Jr

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Posted 09 March 2013 - 03:03 PM

Ok next questions:

 

the guy is gonna send it to me without a case I am worried about the mount hole? I want that protected because this camera  does not come with a lens.

 

also is this a good lens?

http://www.ebay.com/...S-/270982826569

 

this is what i won:

http://www.ebay.com/...cvip=true&rt=nc

 

weigh in 


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#11 Zac Fettig

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Posted 09 March 2013 - 03:38 PM

It's a great lens. Just not for that camera. The CP-16 takes CP mount lenses. C-mount is VERY different from CP (c mount is a threaded mount, CP is a bayonet mount; for starters).

 

Luckily, they've made a bunch of great cinema lenses in CP mount. Unluckily, you usually have to pay for them. Luckily, they're usually cheaper than Arri mount lenses.

 

If you look around, you can probably find a Nikon-CP lens adapter. I don't know of anyone making one anymore, but they used to. That's probably your best bang for the buck bet.

 

Angenieux made a few cinema zooms in CP mount that will give acceptable results.

 

Zeiss made one (I think think this one's too pricey, but that's just me):

http://www.ebay.com/...=item41661e4af8

 

If you want something more expensive, look for CP mount Cooke or Zeiss primes.

 

The price for the camera was very good. That camera doesn't have a registration pin. But usually a CP16 will register better than that. My gut says that the folks above have it right. The loops were formed too tightly.

 

If you're worried about the hole, tape a cover over it until you get a new lens. Probably easier than finding a CP port cover these days.


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#12 Rudy Velez Jr

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Posted 09 March 2013 - 04:56 PM

Thank you so much Zac. Your insight is deeply appreciated. 

 

Cheers! 


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#13 Gregg MacPherson

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Posted 09 March 2013 - 06:45 PM

Angenieux made a few cinema zooms in CP mount that will give acceptable results.

 

Zeiss made one (I think think this one's too pricey, but that's just me):

http://www.ebay.com/...=item41661e4af8

 

If you want something more expensive, look for CP mount Cooke or Zeiss primes.

 

The old angenieux are noticably softer than the old Zeiss  Say Ang 12-120 vs Zeiss 10-100 T3.1 (thought they were T3.1,  but obviously not, or not all).  If that Zeiss on eBay is in good shape then I think it's a good price.   Normally people prefer the coated (T*) version.

 

To make use of the cheap but good primes you need to sort the mount options.  There are Arri B adapters for CP.  There was one cheap on eBay a few weeks ago.  I don't know if there are Arri S adapters.  If there are,  or if one could be made,  then there are some quite good old primes that are cheap now.  Schneider.  Cook Kinetals,  but  Kinetals are designed to rotate in the lens port to focus. 


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#14 Gregg MacPherson

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Posted 09 March 2013 - 06:56 PM

Some typo of mine and my post all looks like a quite from Zac.

Everything below the highlighted link is me.


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#15 Gregg MacPherson

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Posted 09 March 2013 - 07:26 PM

It's my day for making mistakes.  I'll just repaste my text here.

 

The old angenieux are noticably softer than the old Zeiss  Say Ang 12-120 vs Zeiss 10-100 T3.1 (thought they were T3.1,  but obviously not, or not all).  If that Zeiss on eBay is in good shape then I think it's a good price.   Normally people prefer the coated (T*) version.

 

To make use of the cheap but good primes you need to sort the mount options.  There are Arri B adapters for CP.  There was one cheap on eBay a few weeks ago.  I don't know if there are Arri S adapters.  If there are,  or if one could be made,  then there are some quite good old primes that are cheap now.  Schneider.  Cook Kinetals,  but  Kinetals are designed to rotate in the lens port to focus. 


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#16 Rudy Velez Jr

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Posted 10 March 2013 - 01:52 AM

If the cp-16 doesn't have a registration pin why is there one mentioned in this manual:

http://www.evergreen.../cp16manual.pdf

 

pg 11 

 

Also when recording sound with this, can I use a zoom H4N and plug it into the camera? Can only tape units plug into the camera?


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#17 Rudy Velez Jr

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Posted 10 March 2013 - 02:40 AM

Can a manfrotto 128LP head handle the cp-16 with 400ft Mitchell magazine + plus lens( i dont have one yet but assume the angie 12-120) 


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#18 Brian Drysdale

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Posted 10 March 2013 - 03:16 AM

If the cp-16 doesn't have a registration pin why is there one mentioned in this manual:

 

That's the claw, a registration pin only comes out when the film is stationary. They're using the wrong term.


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#19 Brian Drysdale

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Posted 10 March 2013 - 04:46 AM

Correction. perhaps engages when the film is the film is stationary would be more accurate.


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#20 Rudy Velez Jr

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Posted 10 March 2013 - 09:57 AM

Thanks again Brian!!!, that manual isn't the official manual. 

 

Someone should inform the people who put out that manual, I believe its for a school...that the terminology in the manual is incorrect.


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