[Alt-photo] i1Profiler question

Bob Cornelis bob at colorfolio.com
Thu Jun 1 20:49:26 UTC 2017


Keith

Yes, you're right - just got confirmation of that from the folks I bought
the i1 from. Thanks for sending the LAB -> density conversion link, just
what I needed!

Bob

On Thu, Jun 1, 2017 at 1:21 PM, Keith Schreiber via Alt-photo-process-list <
alt-photo-process-list at lists.altphotolist.org> wrote:

> Hi Bob,
>
> I've been using a SpyderPrint which does have a density option. I don't
> think the i1 will give you log density values directly. I just picked up a
> used one but haven't yet had a chance to play  with it. However, Richard
> Boutwell has a tool that will do the conversion for you from 21-step LAB
> (more specifically the L component) readings. You can download it here:
> https://www.dropbox.com/s/ydx9q075ojulpqb/BWMASTERY%2021-step%20Lab%20to%
> 20Density%20Conversion%20Tool.xlsx?dl=0
>
> Cheers,
> Keith
>
> Keith Schreiber
> jkschreiber.com
>
>
>
>
> > On Jun 1, 2017, at 12:56 PM, Bob Cornelis via Alt-photo-process-list <
> alt-photo-process-list at lists.altphotolist.org> wrote:
> >
> > Does anyone know if the i1Profiler can measure log values of target
> > patches? I can only find a way to get the LAB values of individual
> patches.
> > If that is all I can get, is there any way to convert the L channel
> values
> > to log values?
> >
> > Thanks
> > Bob
> >
> > ---
> >
> > http://www.bobcornelis.com
> > _______________________________________________
> > Alt-photo-process-list | altphotolist.org
>
> _______________________________________________
> Alt-photo-process-list | altphotolist.org
>



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