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Kinor 'double exposure' jitter


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#1 Ed Colman

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Posted 14 March 2008 - 03:24 PM

At the moment, I am transferring some black and white footage shot on a Kinor 3H modified for 2 perf. We are seeing a strange vertical jitter. When we park on a single frame, it looks like a double exposure on a single frame. We have a chain link fence, for example, and the grid of links looks doubled. Does anyone have any experience with this? We have made it to the next mag and the problem has gone away. They were shooting both Kodak and Ilford stock. The Kodak was very jittery, so far the Ilford is better but there have been a couple of bounces. Any Ideas??

sincerely,

Ed Colman, President
SuperDailies, Inc.
Cinematographer Supervised Video Dailies
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#2 victor huey

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Posted 14 March 2008 - 04:38 PM

who did the conversion? How recently was it done? Has the camera been tuned up before they did test? Oftentimes a converted camera needs some TLC to take out and issues with gate, since it has been modified. CHeck the mags as well, as some of these have been sitting around unsed for almost 15 years.

Victor
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#3 Bruce Taylor

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Posted 20 March 2008 - 07:32 PM

At the moment, I am transferring some black and white footage shot on a Kinor 3H modified for 2 perf. We are seeing a strange vertical jitter. When we park on a single frame, it looks like a double exposure on a single frame. We have a chain link fence, for example, and the grid of links looks doubled. Does anyone have any experience with this? We have made it to the next mag and the problem has gone away. They were shooting both Kodak and Ilford stock. The Kodak was very jittery, so far the Ilford is better but there have been a couple of bounces. Any Ideas??

sincerely,

Ed Colman, President
SuperDailies, Inc.
Cinematographer Supervised Video Dailies


Hi Ed,
If the registration pin hole in the gate is packed with film chips from torn film debris it can have that effect. The reg pin does not fully penetrate the gate to register the film. I suspect that is what has happened here. Call me if I can be of further assistance.

Bruce Taylor
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Rig Wheels Passport

Tai Audio

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The Slider

Aerial Filmworks

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Visual Products

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rebotnix Technologies

FJS International, LLC

Glidecam

Metropolis Post

Media Blackout - Custom Cables and AKS

Gamma Ray Digital Inc

CineTape