Film-Tech Forum ARCHIVE: Technicolor 3D issue

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Topic: Technicolor 3D issue

Timothy B Davis
Film Handler

Posts: 7
From: Hinckley, MN, USA
Registered: Dec 2006

posted 03-30-2012 09:56 PM

We're still using the Tech 3D system for a while unitl we get converted and this system has been flawless for almost two years. However, today it started having an issue with the image seen from the left eye. The right eye image looks great but the left eye image has a large grey bar area across the top of the screen. It's about two feet down into the screen. It also seems to be running the left image down onto the bottom masking. We ran a test film in it between the last show times and the test film confirmed the same thing. The greyish color of the top bar area is the same color grey that blocks out the word "Right" on the test film when you're looking at it with your left eye.
I called Technicolor and they told me they don't provide any support for their 3D systems. They said I need to talk with the installer. He hasn't come up with an answer yet.
Does anyone know if there's an adjustment on the lens for this issue? Is there a website with any troubleshooting info? Any help will be appreciated.
Thanks, Tim

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Victor Liorentas
Jedi Master Film Handler

Posts: 800
From: london ontario canada
Registered: May 2009

posted 03-30-2012 10:36 PM

Just off the top of my head. Check you are not using the scope aperture plate.Check that your lamp alignment is not way off,as in focused too high or low which will effect right eye left eye.
If there is a zoom on the front of the lens,make sure it has not come loose. Turn it back on before it falls right off,if it's loose.

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Timothy B Davis
Film Handler

Posts: 7
From: Hinckley, MN, USA
Registered: Dec 2006

posted 03-30-2012 11:21 PM

Hey Victor, thanks for the input on some things to check. The aperture plate is good. It's using the large hole. If I change it to the other smaller one it puts a black line in the screen and the picture doesn't look right.
Nothing is loose on the lens anywhere on the outside. It all looks like it always has.
I'll check bulb alignment tomorrow. Thanks, Tim

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Victor Liorentas
Jedi Master Film Handler

Posts: 800
From: london ontario canada
Registered: May 2009

posted 03-31-2012 10:47 AM

In a moment of clarity , I was thinking that whatever is used in the port window to block excess light and picture from getting out has moved down a bit?

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Dominic Espinosa
Phenomenal Film Handler

Posts: 1172
From: Boulder Creek, CA.
Registered: Jan 2004

posted 03-31-2012 10:08 PM

^^^--- Good idea. Our installer used a piece of poster board attached with velcro to the port window.

If you run the test loop are your left and right eye images converged properly?
Check the little plastic dealie that clips onto the back of the lens. I wish i knew what it was called...But that thing.

If you're still stuck and your local guy doesn't know/wont come out call ACE -- they installed ours and know the system well.

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