On 1 Mar 2017, at 00:21, Martin Orpen <martin@idea-digital.com> wrote:
I’ve made some MaxK and Full Black profiles using both the supplied FOGRA52.mxf and by importing the raw ECI data and they produce a Y channel that has next to nothing in it if you use the profiles in Photoshop.
I guess that FOGRA52 isn’t that popular then? The PSO Uncoated v3 (FOGRA52) profile documentation says: The profile was created using the Heidelberg Color Tool 17 with the following settings: black length 9 (starting point 10%) black width 10 total dot area 300% maximum black 96% I can’t get yellow values anywhere near those generated by this profile using i1Profiler or ArgyllCMS. And nothing even remotely close to the neutral curves of the Heidelberg perceptual rendering. So I gave up and separated to a custom built FOGRA47L instead and then proofed the job to FOGRA52. I find it odd that the dark patch on the ECI/BVDM Gray Control Strip for FOGRA52 is C62 M55 Y60 — an ink combination that the ICC profile is incapable of producing... -- Martin Orpen Idea Digital Imaging Ltd