Archived posting to the Leica Users Group, 2010/03/11

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Subject: [Leica] M9 DNGs and Adobe
From: richard at imagecraft.com (Richard Man)
Date: Thu, 11 Mar 2010 13:45:45 -0800
References: <36172e5a1003110538p64ee8c1ag3c382229a9560275@mail.gmail.com> <201129.73752.qm@web82102.mail.mud.yahoo.com> <36172e5a1003111255g70d4d709xb067219f92126102@mail.gmail.com> <540474.19419.qm@web82107.mail.mud.yahoo.com>

Geoff must be working for Microsoft.

:-P

Since the symptom of the problem is that the program crashes, it's easy
enough to work that way. If it crashes, then you have a problem :-)

(Yes I work in software :-) )


On Thu, Mar 11, 2010 at 1:42 PM, Bob Adler <rgacpa at yahoo.com> wrote:

> You didn't answer the question...
> :-p
>  Bob Adler
> Palo Alto, CA
> http://www.rgaphoto.com
>
>
>
>
> ________________________________
> From: Geoff Hopkinson <hopsternew at gmail.com>
> To: Leica Users Group <lug at leica-users.org>
> Sent: Thu, March 11, 2010 12:55:24 PM
> Subject: Re: [Leica] M9 DNGs and Adobe
>
> Yes the bug is only in LR 2.6 and ACR 5.6. Although M9 users are a very
> small group compared to say Canon or Nikon Adobe customers, enough people
> reported the problem so that the fix is underway. The Adobe user forums
> contain the discussions (You can join free). The problem is known and
> acknowledged by Adobe there. Some of their senior people participate in
> those forums, which is to their credit as a company. They apologised and
> explained and have promised  a further fix.
>
> Using the LR2.6 Release Candidate (the old beta) did work when they
> initially made it available again since it did not have the later
> alterations to improve M9 rendition. Then they made the LR2.6.1 version
> available for M9 users. Non-M9 people should not install it because of the
> version mismatch complication. If you are using LR2.5 you should use at
> least 5.4 for best compatibility. Don't forget the excellent LR3 beta.
>
> Ed, the bug is apparently triggered by particular tonal value combinations
> (RGB numbers)! which is why you only see it sometimes. The bug was always
> there in Camera Raw 5.6 but not reported by users at the same time. I guess
> it was because M9 users got the free download of LR and maybe those were
> new
> Adobe customers?
>
> Sorry about more acronyms, uncle Rabs, however I hope that they are clear
> within the context.
>
> Cheers
> Geoff
> http://www.pbase.com/hoppyman
>
>
> On 12 March 2010 01:19, Bob Adler <rgacpa at yahoo.com> wrote:
>
> > I noticed this issue when you had me upgrade LR to 2.6.1 Geoff. :-)
> > I still use LR Camera Raw, but when going to edit in CS4, I "Let
> Lightroom
> > Do Rendering". Any problem with this approach?
> > Best,
> > Bob
> >  Bob Adler
> > Palo Alto, CA
> > http://www.rgaphoto.com
> >
> >
> >
> >
> > ________________________________
> > From: Geoff Hopkinson <hopsternew at gmail.com>
> > To: Leica Users Group <lug at leica-users.org>
> > Sent: Thu, March 11, 2010 5:38:58 AM
> > Subject: [Leica] M9 DNGs and Adobe
> >
> >  For anyone interested:
> > M9 users found that some DNG files caused crashes in Photoshop CS4 and
> > Lightroom 2.6 (a particular RGB number combination). Adobe found a bug
> > introduced when late changes were made to the Raw processing engine to
> > improve rendition of M9 files. The current fix for LR2.6 users is to
> > download and use LR2.6.1. The only change is the elimination of that bug
> > and
> > it is only relevant for M9 users. The problem does not occur with the LR3
> > beta (which also has significantly better rendition, noise reduction and
> > sharpening powers).
> >
> > I have recently done a complete new clean install on a new sytem (64 bit,
> > Yeah!)  and am only just catching up. I have found that the bug exists in
> > Adobe Camera Raw 5.6 as well, however there is no ACR5.6.1 available
> > currently. Adobe has acknowledged the issue with both LR and ACR and
> > reports
> > that a fix will be available shortly. In the meantime I need to stay out
> of
> > Adobe Camera Raw with M9 files and as a minor issue, trying to edit a DNG
> > in
> > Photoshop (from LR) reports the mismatch in versions as well, once you
> > install the LR2.6.1 although the cure is not yet here. I don't have the
> > LR2.6RC (release candidate) any longer. It did not exhibit the crashing
> > behaviour but I don't know if version matching was an issue there.
> >
> > Personally I am looking forward to the release of LR3 and I hope a cheap
> > upgrade. Mant M9 owners tht already own LR are waiting to find out if
> they
> > will be able to use their entitlement to download LR to receive LR3. We
> > shall see.
> > Incidentally, the X1 already has a standard profile (usable in both
> > applications of course) although the S2 does not. Neither X1 DNG files
> nor
> > those from the S2 provoke the bug.
> >
> > Cheers
> > Geoff
> > http://www.pbase.com/hoppyman
> >
> >  _______________________________________________
> > 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
> >
>
> _______________________________________________
> 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
>



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Replies: Reply from hopsternew at gmail.com (Geoff Hopkinson) ([Leica] M9 DNGs and Adobe)
In reply to: Message from hopsternew at gmail.com (Geoff Hopkinson) ([Leica] M9 DNGs and Adobe)
Message from rgacpa at yahoo.com (Bob Adler) ([Leica] M9 DNGs and Adobe)
Message from hopsternew at gmail.com (Geoff Hopkinson) ([Leica] M9 DNGs and Adobe)
Message from rgacpa at yahoo.com (Bob Adler) ([Leica] M9 DNGs and Adobe)