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Focus Pulling with Film Cameras


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#1 Sava Silin

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Posted 13 April 2018 - 12:11 AM

Hi guys, I've got a couple of dumb questions about film cameras, I hope you'll help me to figure it out. I know there are tons of film cameras, lets imagine I'm talking about Arricam LT. 

 

How does people maintain the focus ring or zoom ring on the film camera if camera is on the crane and you can't touch it? Is there any wireless systems for film cameras?

 

Also, if you are a DP and you shooting handheld and you're walking/running with the subject, is it DP's job to control focus ring or he has assistant that runs all the time next to him?

 

Also, Is there anyway to transmit on separate screen what you shoot with the film camera during production?

 

I know, this is kinda silly questions, but I'm just new to film cameras, that's why I'm asking.


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#2 David Mullen ASC

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Posted 13 April 2018 - 12:38 AM

You can put a remote focus system on a film camera's lens just like you can on a digital camera's lens.

 

You can put a transmitter on a film camera that has a video tap to send a picture without a cable, or you can run a cable from the video tap to a monitor, etc.  Just be aware that most taps are standard-def, only a few are high-def.


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#3 Giray Izcan

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Posted 13 April 2018 - 08:53 AM

You have to put marks and pull accordingly or if its a free flow, you can get some reference marks and judge the distance by eye in relations to your mark and also, pulling focus is matching the subjects speed and the numbers should fall in place if you can match your speed to the subject.
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#4 Sava Silin

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Posted 14 April 2018 - 03:48 AM

You can put a remote focus system on a film camera's lens just like you can on a digital camera's lens.

 

You can put a transmitter on a film camera that has a video tap to send a picture without a cable, or you can run a cable from the video tap to a monitor, etc.  Just be aware that most taps are standard-def, only a few are high-def.

 

Thanks for answer, David. Does focus systems for film cameras differ from the ones for digital cameras? Is it possible to use Arri WCU-4 with Arricam lt?


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#5 Brian Drysdale

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Posted 14 April 2018 - 06:08 AM

Cine style lenses, with the gears, are the same on film and digital, so follow focus systems will work on both, assuming the cameras will take industry standard mounting rods. 


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#6 Michael Kubaszak

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Posted 16 April 2018 - 04:04 PM

 

Thanks for answer, David. Does focus systems for film cameras differ from the ones for digital cameras? Is it possible to use Arri WCU-4 with Arricam lt?

 

All Wireless FI+Z systems work regardless of the individual camera. Doesn't matter if it is film or digital. Panavision or Arri, Sony or RED. BUT cables will be different for power and start/stop if it is Panavision compared to ARRI or Moviecam for that matter. But besides that, they are independent of camera body.

 

The WCU-4 will work with any camera if you have the UMC.


Edited by Michael Kubaszak, 16 April 2018 - 04:04 PM.

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