Archived posting to the Leica Users Group, 2015/05/11

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

Subject: [Leica] [OM] IMGS: Baracoa, + Banding?
From: ken at iisaka.com (Ken Iisaka)
Date: Mon, 11 May 2015 16:49:42 -0700
References: <CAMk=+XUrDDXFDgBin=q6z0b-9=Y7LwCygmyD5MYuYzQeGvHqNg@mail.gmail.com> <1A4C395D-7FCD-405C-87D5-FCF55431C339@threeshoes.net> <CAO-EmH1EQ1m==bpAi84z6aHk1nP7UBD3w5=-m8HjuGGDaPhh-w@mail.gmail.com> <CAMk=+XXDr-jBc=GoQ5Ucy+cmghfD8sQCgbdWE86xnJ_hhyt1gQ@mail.gmail.com> <5551169E.5010808@jayburleson.com> <CAMk=+XXEOaR_EuxAz8yVvY7Vcr1kcLUAFwcOe7ozHo3sad+A+g@mail.gmail.com>

In the years I used an M8, I noticed banding when the battery charge is
low. Especially in the last few frames before the battery is drained,
banding becomes more pronounced.


On Mon, May 11, 2015 at 2:41 PM, Tina Manley <tmanley at gmail.com> wrote:

> Thanks, Jay.  That's very helpful.  The only one of those it could be is
> the newer SD card.  I bought new, fast 32 and 64 GB cards to take to Cuba.
> I guess I'll go back to my old, slow ones.
>
> Tina
>
> On Mon, May 11, 2015 at 4:52 PM, Jay Burleson <leica at jayburleson.com>
> wrote:
>
> > Tina, there are various theories / reasons why it can happen.
> >
> > "Leica noted that a brightened photo at base-ISO can occasionally show
> > banding in shadows."
> >
> > "Shooting in continuous mode, the first image is almost always clean and
> > the remaining images are 30% - 90% banded."
> >
> > "At iso 640 the banding still occurs if not allowing time for the buffer
> > to clear."
> >
> > "Some newer SD cards show more banding than older low capacity slower
> > cards"
> >
> > Lots of bloviating about it here:https://tinyurl.com/ol9gl3g
> >
> > Jay
> >
> >
> > On 5/11/2015 7:15 AM, Tina Manley wrote:
> >
> >> Here is a blow-up of the banding in the corner of the photo:
> >>
> >> http://www.pbase.com/tinamanley/image/160025912
> >>
> >> This is straight from the original DNG.  When I try to lift the shadows,
> >> the banding is very evident to me.
> >>
> >> Tina
> >>
> >> On Mon, May 11, 2015 at 2:53 AM, Scott Gomez <sgomez.baja at gmail.com>
> >> wrote:
> >>
> >>  I'm not seeing any banding in any of the shots, Tina.
> >>>
> >>> On Sun, May 10, 2015 at 10:18 PM, ChrisB <ftog at threeshoes.net> 
> >>> wrote:
> >>>
> >>>  I can't see it when viewing 'original', Tina - on my little MacBook
> Air.
> >>>> Are you sure it's not only on your screen?
> >>>>
> >>>> I like that shot, by the way.
> >>>>
> >>>> Chris
> >>>>
> >>>>  On 11 May 15, at 02:26, Tina Manley <tmanley at gmail.com> wrote:
> >>>>>
> >>>>> I've finished another page from Baracoa, including several from the
> MM
> >>>>> about which I have a question:
> >>>>>
> >>>>> http://www.pbase.com/tinamanley/cuba&page=32 <
> >>>>>
> >>>> http://www.pbase.com/tinamanley/cuba&page=32>
> >>>>
> >>>>>
> >>>>> This particular photo was very dark.  The ISO is only 320 but there
> is
> >>>>> severe banding in the shadows.  Why?  It's there in the original dng
> >>>>> without any manipulation.  If the ISO is 320, just like most of the
> >>>>>
> >>>> other
> >>>
> >>>> B&W's in low light, why is there so much banding in this one?
> >>>>>
> >>>>> http://www.pbase.com/tinamanley/image/160019998 <
> >>>>>
> >>>> http://www.pbase.com/tinamanley/image/160019998>
> >>>>
> >>>>>
> >>>>> Does anybody know how to get rid of banding?
> >>>>>
> >>>>
> >>>> --
> >>>> _________________________________________________________________
> >>>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> >>>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> >>>> Themed Olympus Photo Exhibition: http://www.tope.nl/
> >>>>
> >>>>
> >>>>  --
> >>> _________________________________________________________________
> >>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> >>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> >>> Themed Olympus Photo Exhibition: http://www.tope.nl/
> >>>
> >>>
> >>>
> >> _______________________________________________
> >> 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
>



-- 
Ken Iisaka
first name at last name dot org or com


In reply to: Message from tmanley at gmail.com (Tina Manley) ([Leica] IMGS: Baracoa, + Banding?)
Message from tmanley at gmail.com (Tina Manley) ([Leica] [OM] IMGS: Baracoa, + Banding?)
Message from leica at jayburleson.com (Jay Burleson) ([Leica] [OM] IMGS: Baracoa, + Banding?)
Message from tmanley at gmail.com (Tina Manley) ([Leica] [OM] IMGS: Baracoa, + Banding?)