Archived posting to the Leica Users Group, 2015/05/05

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] New M(246) Outputs 12 bit Files
From: rgacpa at gmail.com (Robert Adler)
Date: Tue, 5 May 2015 10:05:20 -0700
References: <CAAsXt4M8TOqVD30bX_TRpDr8Q6QDFXvZWTSSso2_PL6zdHUWsg@mail.gmail.com> <CAMk=+XWCtsT_eGOSCLZMSMP=SyxdTPbCEopcWTE7chvXnyAjGw@mail.gmail.com> <5548ECD3.6040900@lighttube.net> <CAAsXt4OmRRQ9NBFUyYMrdWm=uwJ6tFQgxPDBQsEU_9aTQohg2Q@mail.gmail.com> <5DAB6492-6B47-4620-A495-5D0943B49364@gmail.com> <CAH1UNJ005f-LZsi2290Kdg3mE6jqAoyuauqd0Fjf5w8BU=Yrng@mail.gmail.com>

Perhaps that's what's meant by the Jono's statement that the elves in the
Leica Labs "see" no difference...
Not a very scientific approach as stated.
Thanks Jayanand.

On Tue, May 5, 2015 at 9:50 AM, Jayanand Govindaraj <jayanand at gmail.com>
wrote:

> 12 bit = 2 raised to the power of 12 = 4096 shades of gray
>
> 14 bit = 2 raised to the power of 14 = 16384 shades of gray
>
> Quite a bit of tonal difference technically. Whether the human eye can
> perceive it in a meaningful way in a print - who knows?
>
> Cheers
> Jayanand
>
>
>
> On Tue, May 5, 2015 at 9:53 PM, Steve Barbour <steve.barbour at gmail.com>
> wrote:
>
> >
> > > On May 5, 2015, at 9:21 AM, Robert Adler <rgacpa at gmail.com> wrote:
> > >
> > > I'm waiting to see what the explanation is. Going backwards in bit
> depth
> > > from the M(240) is perplexing. Perhaps their chip cannot handle 14bit
> > depth
> > > of pure gray as opposed to 4 different 14bit depth channels of RGGB
> > (4x1x4
> > > vs 4x4 all at once...).
> > >
> > > But I'm no EE, so I'm hoping other experts will jump in to explain what
> > is
> > > lost by going back to 12bit files.
> >
> > OR   what is gained by going back to 12 bit files.
> >
> >
> > s
> >
> >
> > >
> > > On Tue, May 5, 2015 at 9:16 AM, Jim Nichols <jhnichols at 
> > > lighttube.net>
> > wrote:
> > >
> > >> It opened for me with no problem.
> > >>
> > >> Jim Nichols
> > >> Tullahoma, TN USA
> > >>
> > >>
> > >> On 5/5/2015 10:58 AM, Tina Manley wrote:
> > >>
> > >>> This webpage is not available
> > >>>
> > >>> Tina
> > >>>
> > >>> On Tue, May 5, 2015 at 11:32 AM, Robert Adler <rgacpa at gmail.com>
> > wrote:
> > >>>
> > >>> See post #46 by Jono Slack:
> > >>>>
> > >>>>
> > >>>>
> >
> http://www.getdpi.com/forum/leica/54592-new-monochrom-fine-report.html#post639690
> > >>>>
> > >>>> Curiouser and curiouser...
> > >>>>
> > >>>> --
> > >>>> Bob Adler
> > >>>> www.robertadlerphotography.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
> > >>>
> > >>>
> > >>
> > >> _______________________________________________
> > >> Leica Users Group.
> > >> See http://leica-users.org/mailman/listinfo/lug for more information
> > >>
> > >
> > >
> > >
> > > --
> > > Bob Adler
> > > www.robertadlerphotography.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
> >
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>



-- 
Bob Adler
www.robertadlerphotography.com


Replies: Reply from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] New M(246) Outputs 12 bit Files)
Reply from steve.barbour at gmail.com (Steve Barbour) ([Leica] New M(246) Outputs 12 bit Files)
In reply to: Message from rgacpa at gmail.com (Robert Adler) ([Leica] New M(246) Outputs 12 bit Files)
Message from tmanley at gmail.com (Tina Manley) ([Leica] New M(246) Outputs 12 bit Files)
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] New M(246) Outputs 12 bit Files)
Message from rgacpa at gmail.com (Robert Adler) ([Leica] New M(246) Outputs 12 bit Files)
Message from steve.barbour at gmail.com (Steve Barbour) ([Leica] New M(246) Outputs 12 bit Files)
Message from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] New M(246) Outputs 12 bit Files)