Archived posting to the Leica Users Group, 2006/11/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I purchased a Macbeth colorchecker and ran the calibration script with my DMR. It took 30 minutes run with the smallest image- this normal? Color calibration in reds and blue seems good, but the greens were way over saturated. I will play some more with it today. Any tips? Eric On 11/14/06, Eric Korenman <faneuil@gmail.com> wrote: > > Just bought a Macbeth colorchecker card. > I will run the script with my DMR and post results. > > Eric > > > On 11/14/06, Carl Muckenhirn <carlmuck@verizon.net> wrote: > > > > Tina, > > > > This is probably to be expected given what I read about the "magenta > > blacks". It appears that the chip is very good at collecting red > > light, raise the ISO and it is collecting more of all light, but > > doing the reds more efficiently, hence warmer. > > > > With the script that Roy sent you can now have setups for each ISO! > > So now we've some new films- M8/160, M8/320, M8/640 ... > > > > It would be an interesting exercise to see which real films match up > > to the various settings. > > > > carl. > > > > On Nov 13, 2006, at 8:00 AM, Tina Manley wrote: > > > > > LUG: > > > > > > One thing that I've noticed with my MacBeth color chart shots and > > > confirmed looking back at previous M8 shots - there is a drastic > > > color shift when you switch from 320 ISO to 640 ISO. 160 and 320 > > > look pretty neutral but 640 and higher are much, much warmer. Has > > > anybody else noticed this? > > > > > > Tina > > > > > > Tina Manley, ASMP, NPPA > > > http://www.tinamanley.com > > > > > > _______________________________________________ > > > Leica Users Group. > > > See http://leica-users.org/mailman/listinfo/lug for more information > > > > > > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > > >