Premium Member David Sekanina Posted February 13, 2020 Premium Member Share Posted February 13, 2020 (edited) Hi I got my first 16mm scan back from a Scanstation at 2K. I noticed a slight yellowish tint in the upper left corner and wondered if this was due to an uneven light during the scan, or a light leak in the camera? It's very faint and only visible on light backgrounds. Has anyone seen something similar before? Sprocket hole stress that caused discoloration? Edited February 13, 2020 by David Sekanina detail Link to comment Share on other sites More sharing options...
Premium Member Dom Jaeger Posted February 13, 2020 Premium Member Share Posted February 13, 2020 Certainly looks like it's coming from the perfs. What camera was it? Can you examine it to check if there is perhaps light leaking through the claw slot somehow? Does the film itself look bruised around the perfs? (I don't think bruising would cause such extreme discolouration, but I'm no expert in that side of things). Have you asked the scan people? Link to comment Share on other sites More sharing options...
Premium Member Tyler Purcell Posted February 14, 2020 Premium Member Share Posted February 14, 2020 It would be great to see it in motion to see if it changes based on the shot. It would also be nice to know what camera it is and if the guys who did the scan, can see it on the negative. Link to comment Share on other sites More sharing options...
Premium Member David Sekanina Posted February 14, 2020 Author Premium Member Share Posted February 14, 2020 It was shot on an XTR Prod. Will upload a short clip later. Haven't asked the scanning guys yet, but it looks like the light comes from the perfs. I've seen discoloration just under the perf on high speed cameras, running at 400 fps, where the pulldown claw stresses the perf enough, so the emulsion reacts. But this can't be that. The camera ran at 24fps buttery smooth and silent. Link to comment Share on other sites More sharing options...
Site Sponsor Charles Pickel Posted February 14, 2020 Site Sponsor Share Posted February 14, 2020 My only thought is: Yes, this is the claw side of the film channel where the time code LED's are. If the ASA (ISO) on the light meter is not set for the correct ISO of your film, the LED's may be producing an overly bright image, which could perhaps conduct through the film base (halation). Color of late-production Aaton LED matrix is yellow. It is worth checking out, hope this helps. -Charles Pickel, www.seriousgear.com 1 Link to comment Share on other sites More sharing options...
Premium Member David Sekanina Posted February 14, 2020 Author Premium Member Share Posted February 14, 2020 Thank you Charles, that could be it. Love the camera! 1 Link to comment Share on other sites More sharing options...
Site Sponsor Charles Pickel Posted February 14, 2020 Site Sponsor Share Posted February 14, 2020 You are most welcome ! Full disclosure: David bought this nice late-production XTR Prod from me. It is a rare beauty. I hope you can pinpoint the source of this issue. Let's be in touch ! -Best, -Charles Link to comment Share on other sites More sharing options...
Premium Member David Sekanina Posted February 15, 2020 Author Premium Member Share Posted February 15, 2020 (edited) Here's a short clip: It seems to come from the perf. I received another scan from a different lab and film roll yesterday, and the light spill isn't in the new scan. Edited February 15, 2020 by David Sekanina clarification Link to comment Share on other sites More sharing options...
Premium Member David Sekanina Posted February 16, 2020 Author Premium Member Share Posted February 16, 2020 and here a few ungraded DPX files: https://drive.google.com/drive/folders/1MtSAEq950YKTDneZewXDBPFMyZ3t58eb?usp=sharing Link to comment Share on other sites More sharing options...
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