Daniel Miler Posted May 25, 2019 Share Posted May 25, 2019 haven't dealt with these numbers in several years now, and really forgot how to read them. I only know it seems way off, but could someone remind me how to read this stuff? this is what I got from the lab reading of our gray card: 0.27 0.60 0.99 is the reading in the perf area. Thnaks all. Link to comment Share on other sites More sharing options...
Dirk DeJonghe Posted May 26, 2019 Share Posted May 26, 2019 I suppose they gave you the D-Min values (perf area?) to show if and how much the filmfog has increased due to old age, radiation etc. First to know is which filmstock and compared the values to a known fresh stock reading. Link to comment Share on other sites More sharing options...
Mark Dunn Posted May 26, 2019 Share Posted May 26, 2019 Those are the log densities in red, green and blue. As Dirk says, we don't know the stock, but here's a curve for Vision 500t (page 2) https://www.kodak.com/uploadedFiles/Motion/Products/Camera_Films/5219/Resources/VISION-500T-Sellsheet_US_4PG-180829-SP.pdf Your D-mins are a little higher than that so presumably you have some extra fogging. Link to comment Share on other sites More sharing options...
Daniel Miler Posted May 29, 2019 Author Share Posted May 29, 2019 thanks @Mark Dunn and @Dirk DeJonghe Yes it was 7219 500T Link to comment Share on other sites More sharing options...
Mark Dunn Posted May 29, 2019 Share Posted May 29, 2019 1 hour ago, Daniel Miler said: thanks @Mark Dunn and @Dirk DeJonghe Yes it was 7219 500T I got lucky That was the first Vision 3 stock to come up in a Goole search- it wasn't even a guess. Link to comment Share on other sites More sharing options...
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