Archived posting to the Leica Users Group, 2010/06/04

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Subject: [Leica] DNG
From: msadat at gmail.com (mehrdad)
Date: Fri, 4 Jun 2010 13:33:36 -0700
References: <p06240800c82f04f4e75f@192.168.1.103> <000b01cb0420$98fc7ea0$caf57be0$@net> <AANLkTimZGx0RdXOeg46DcF5DogbVr2DtecTljWG4zOAs@mail.gmail.com> <127497FE-4366-4950-958A-9361A3A3B4F2@me.com>

C1 reads DNG but just for specific cameras, even adobe needs to optimize for
each camera so reading is not just enough

On Fri, Jun 4, 2010 at 1:28 PM, Gerry Walden <gwpics at me.com> wrote:

> As a person who would like to use Capture One more, I was very disappointed
> to find today that .dng files made with Adobe etc. software are not 
> readable
> by Capture One. One day they will get their act together at phase One and
> produce software that you can actually use for everything.
>
> Gerry
>
> Gerry Walden LRPS
> +44 (0)23 8046 3076 (Office)
> +44 (0)797 287 7932 (Mobile)
> Web: www.gwpics.com
> Blog: www.gerrywalden.wordpress.com
>
>
>
>
>
>
>
>
> On 4 Jun 2010, at 21:22, Tina Manley wrote:
>
> > There are other advantages to running the Leica DNG files through Adobe's
> > DNG conversion software.  When you are using a cataloging software like
> > Expression Media, the thumbnail is taken from the DNG file.  Leica's is
> too
> > small to be usable.  With Adobe you can choose to save a larger thumbnail
> in
> > the DNG.  The Adobe DNG is still smaller than the Leica one and there is
> no
> > loss.
> >
> > Tina
> >
> > On Fri, Jun 4, 2010 at 4:00 PM, Frank Filippone <red735i at earthlink.net
> >wrote:
> >
> >> There are truly lossless compression algorithms.  And maybe compressed
> DNG
> >> uses one of them.... but then the amount of compression is never
> fixed...
> >> it
> >> varies by data.  So compressed, lossless, fixed compression ratio,
> >> algorithms  are not known to me... not that I know that much about the
> >> subject.......
> >>
> >> Maybe compressed DNG is lossless, maybe not.......after all, if you
> >> compress
> >> something, the deleted bits came from somewhere.....
> >>
> >> Why mess with it when memory cards are so small and so cheap?
> >>
> >>
> >> Frank Filippone
> >> red735i at earthlink.net
> >>
> >> Just received my M9 two days ago. Have been and intend to continue
> >> shooting DNG (raw) and doing all adjustments, even if it's only a
> >> preset, in Lightroom. Was surprised to see the option of DNG
> >> Compressed, a factor of two compression. In practice, does this cause
> >> significant deterioration, and under what circumstances?
> >> --
> >> Herbert Kanner
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >> Leica Users Group.
> >> See http://leica-users.org/mailman/listinfo/lug for more information
> >>
> >>
> >
> >
> > --
> > Tina Manley, ASMP
> > 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
>



-- 
 -------------------------------------
 regards, mehrdad


Replies: Reply from gwpics at me.com (Gerry Walden) ([Leica] DNG)
In reply to: Message from red735i at earthlink.net (Frank Filippone) ([Leica] DNG)
Message from images at comporium.net (Tina Manley) ([Leica] DNG)
Message from gwpics at me.com (Gerry Walden) ([Leica] DNG)