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Artifact on 16mm scan

16mm artifact negative

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#1 Ole Henrik Bach

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Posted 17 November 2014 - 11:50 AM

Hey. I've recently shot my first 16mm film, and to our greatest luck, there's a nice big blue artifact in one of the rolls.

 

html5 video http://gfycat.com/El...BountifulCowrie

better quality stills https://www.dropbox...._1.1.2.jpg?dl=0

 

There is actually information under the blue artifact (If you cannot tell by the low quality animation) which makes me wonder how this could happen? (And who's head should roll?)
As this is a film school project, I don't have any contact with the lab myself, but they told the teachers it was because the camera wasn't clean.

 

Anybody have any clue or experienced this before? 

Thanks!


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#2 Dirk DeJonghe

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Posted 17 November 2014 - 12:40 PM

It looks like an emulsion scratch (the top layer is the blue layer). Could be the loop in the camera being way too large, or a problem in a processing machine (only if sprocket drive). Did you hear any unusual noise during the shoot?


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#3 Kenny N Suleimanagich

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Posted 17 November 2014 - 12:42 PM

Looks like a scratch to me. 


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#4 Bill DiPietra

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Posted 17 November 2014 - 02:55 PM

It looks like an emulsion scratch (the top layer is the blue layer). Could be the loop in the camera being way too large, or a problem in a processing machine (only if sprocket drive). Did you hear any unusual noise during the shoot?

 

And what camera was being used?


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#5 David Cunningham

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Posted 17 November 2014 - 05:21 PM

It could also have been done during processing... but definitely looks like a scratch.  About the only thing in a camera that could cause it is a just barely too big but not way too big loop.


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#6 Ole Henrik Bach

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Posted 18 November 2014 - 04:08 AM

Thanks for all your answers. We had a decent blimp on the camera, an Arri sr3, so we didn't hear anything funky from the camera. Though the previous roll jammed at 97 meters. There were 6 other groups before ours and one group after without any problems, so I don't think it's the camera. A too long loop is also what I might think could've happen
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