Archived posting to the Leica Users Group, 2009/08/13
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]definitely interesting Geoff the flesh (thumb) looks most natural in the M8 Camera profile I've found that the profile needs to be considered with "subject" Rarely does any particular profile work across all subjects. However, collecting profiles for various subjects seems the way to go. Regards, George Lottermoser george at imagist.com http://www.imagist.com http://www.imagist.com/blog http://www.linkedin.com/in/imagist On Aug 13, 2009, at 7:22 PM, Geoff Hopkinson wrote: > For anyone interested. These three examples illustrate different > colour > rendition with different profiles in Adobe Camera Raw 5.4. LR 2.4 > does the > same. > Target is Munsell Color x-rite mini Color Checker card, WhilBal > card and a > bit of my dealer's thumb. 2 out of 3 are industry standard. > Light source measured with colour meter to close to 6500K, because > that is > how Adobe does it (for profiling). WB, exposure, develop settings all > otherwise identical for comparison peurposes. > Oriiginal conversion is to ProPhoto RGB which is vital if you want > to avoid > clipping the saturated colours that the sensor can capture. It is > also close > to the native internal colour space that LR2 for example, uses. > Resized and converted to sRGB for web. > Camera Standard means the DNG has been converted to simulate what > Adobe > thinks the camera's default jpg reproduction is. > Adobe Standard means the current best profile provided by Adobe for > that camera model (M8 in this case). > DNG Profile Calibration means that the color checker target, as > reproduced > by this specific camera body has been analysed and calibrated by > the DNG > profile editor (free from Adobe) for the most accurate reproduction > of the > colour swatches. > There is no one 'correct' rendition. It depends on purpose and > preference, > what you had for breakfast, the viewing conditions and probably the > phase of > the moon. The calibrated version is the most ACCURATE reproduction > in that > specific light which may or may not suit a specific purpose. > > > http://gallery.leica-users.org/v/gh/te/M8CameraStandard.jpg.html > http://gallery.leica-users.org/v/gh/te/M8AdobeStandard.jpg.html > http://gallery.leica-users.org/v/gh/te/M8DNGProfileCalibrated.jpg.html > > -- > Cheers > Geoff > Alles was eine gute Kamera braucht / Everything a good camera needs: > > http://gallery.leica-users.org/v/gh/ > http://www.pbase.com/hoppyman > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information