One experiment that is showing promise is to take a technical lut, invert the curve and create a reverse engineered picture style.ĭanne has been experimenting with dcptool which is a command line tool for editing DCP, Digital Camera Profile, files that can be embedded in DNG files and works with Adobe Camera Raw. In my last post I may have given the impression that we were done with this project-not the case. So do these reverse engineered C-Log picture styles really work? Do we need to shoot at a minimum ISO setting? Again, more questions than answers. It is ok to use a higher ISO but the dynamic range is reduced. Shooting below this setting results in increased noise (vertical stripes and banding) and reduced dynamic range when shooting in Canon Log mode. As a comparison the C100 (CP Cinema Locked) has a base ISO of 850. A few posts back I asked about base ISO and it seems that it doesn't apply to the DSLR's yet the 1DC does have a base ISO of 400. Is the Canon cinema line significantly different from the still cameras that can use Magic Lantern so that Canon Log doesn't translate properly? Log in the 1DC is located in the firmware while these other log picture styles are custom picture styles. Yeah, I know it is confusing that there is more than one C-Log out there. The free C-Log is similar to CineStyle while the EOSHD C-Log looks a lot like the "real" Canon Log from the 1DC.
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