Archived posting to the Leica Users Group, 2015/05/07

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Subject: [Leica] New M(246) Outputs 12 bit Files
From: rgacpa at gmail.com (Robert Adler)
Date: Thu, 7 May 2015 07:17:04 -0700
References: <01ee01d08820$7b997550$72cc5ff0$@verizon.net> <D16FCA78.39722%mark@rabinergroup.com> <020401d08825$d05f0500$711d0f00$@verizon.net> <CAAsXt4Ng=mj0+R0mdx5UF24tiuq51Rg040NFMq9z06m6qh5iWw@mail.gmail.com> <CAH1UNJ01QKNLQu0+TOxiaKt8+jpjzGBZ2ZDTkTQs=CPi+cT33g@mail.gmail.com>

Thanks Jayanand. Sound advice and much appreciated.

On Wed, May 6, 2015 at 10:10 PM, Jayanand Govindaraj <jayanand at gmail.com>
wrote:

> Bob,
> My answer is simple, and my test for buying photography equipment. If it
> will result in your instinctively getting better photographs with it, it is
> worth the expense - for example, the placement of controls on an Nikon
> D800/D4 are what I am used to obviating the need to think too much while
> photographing, so I will buy these ahead of an Nikon D750, which, features
> wise, would do very nicely indeed. Cameras are just a tool for getting
> pictures I want, and am happy with. The rest of the
> marketing/technical/subliminal reasons for purchasing, I leave to others to
> ponder on.
>
> Occasionally, a system comes up that fits my needs very well, so I am
> willing to put in the effort to train my brain so that my actions become
> instinctive - which is what I did with the Fuji X system.
>
> It is very uncomplicated, in reality, if you think about it.
>
> Cheers
> Jayanand
>
>
>
> On Thu, May 7, 2015 at 1:01 AM, Robert Adler <rgacpa at gmail.com> wrote:
>
> > Agreed. Lots of variables floating around here. The new Mono246 has 50%
> > more pixels than the original Monochrom. Unless Leica's engineers are
> > stupid (which they are definitely not!), your bound to get a better
> image.
> > More information.
> >
> > And I believe they are using a new processor? A "Maestro II" versus the
> > "Maestro I" in the original Monochrom? Another variable we don't know
> much
> > about its impact.
> >
> > As Ted would say, "WHO GIVES A FLYING FART!" KISS!! IF IT GIVES YOU A
> > BETTER IMAGE, ALL THIS KERPHLUFFEL DOESN'T AMOUNT TO A HILL OF BEANS!!!"
> > (or something like that).
> >
> > However the original Monochrom images I've seen are gorgeous. Tina, Lluis
> > and Jay (to name just 3) have blown us (me) away time and again on the
> > amazing tonalities and images at high ISO's (10,000 I believe?).
> >
> > After all this the question for me is if the cost of the new 246 is worth
> > it over a used Monochrom (~$3K difference) for:
> > 1.  The improvement in the rangefinder (IMO),
> > 2.  The better shutter mechanism (my M9 always had a kick to it that
> really
> > caused A LOT of lost sharpness),
> > 3.  Improved ISO performance above 10,000.
> > 4.  The better fit into my hand of the M240 vs the M9
> >
> > The main worry is what Peter said: We really don't know what the impact
> > will be going from 14bits to 12bits. I think that remains to be seen...
> >
> > So I guess I'll wait and see until some consensus comes out from real
> > world, non-Leica paid, photographers. Whether or not I will be able to
> > afford groceries (and I am truly grateful for your concerns in this area,
> > Steve!) remains to be seen. Probably not whether I go with the old or new
> > Monochrom :-)
> > Bob
> >
> > P.S., for those interested, Erwin Puts just got his M246. He initially
> > noticed that the uncompressed file size of the new Monochrom is smaller
> > than the M240, though the compressed files are the same. "The reason for
> > this is unknown"...
> >
> > On Wed, May 6, 2015 at 10:55 AM, Frank Filippone <red735i at verizon.net>
> > wrote:
> >
> > > Precisely my point... look at the images.....
> > >
> > > I have an M9.  I looked at the images created in the comparison shots.
> > The
> > > M9 images, when converted to B+W were of significantly less quality in
> > > resolution than the M246.
> > > OTOH, we are comparing apples ( 16MP) and oranges (24MP).  Pixels, do
> NOT
> > > grow on trees.  More pixels does = better fine display quality, all
> other
> > > things being equal... same lens.
> > >
> > > OTOH, if someone wants to sell their MM and go buy a M246, I am a
> willing
> > > buyer......... of the inferior.
> > >
> > > I have no intention of spending $7500 on a camera.
> > >
> > > He says irreverently.. just like he said when he bought his M8, and M9
> ,
> > > and
> > > A7.....
> > >
> > > Frank Filippone
> > > Red735i at verizon.net
> > >
> > >
> > > -----Original Message-----
> > > From: LUG [mailto:lug-bounces+red735i=verizon.net at leica-users.org] 
> > > On
> > > Behalf
> > > Of Mark Rabiner
> > > Sent: Wednesday, May 06, 2015 10:41 AM
> > > To: Leica Users Group
> > > Subject: Re: [Leica] New M(246) Outputs 12 bit Files
> > >
> > > I agree Frank, tahtwhat whatever bits or other specs if the camera is
> > > making
> > > better images than the previous with supposedly better specs then its
> not
> > > the specs (bits) we should be looking at but the images the camera
> makes
> > > and
> > > our own bank accounts to figure out how to get it!
> > >
> > >
> > > On 5/6/15 1:17 PM, "Frank Filippone" <red735i at verizon.net> wrote:
> > >
> > > > Mark and others....
> > > >
> > > > The issue of 12 vs 14 bits is not straight forward.....  Yes, the
> > > > difference in a straight line way is 4 times the data, but really
> that
> > > > means there is 4 times the GRADATION in the data.  More gradation =
> > > > more smooth transitions between different tones.
> > > >
> > > > Assuming the saturation point ( top value) and lowest point ( pure
> > > > black, as in more black is just not possible) remain fixed. Then
> there
> > > > could be a bit of non linear-ness to the ADC... There may be more
> > > > values in the bright areas, and less in the dark areas.... still
> > > > achieving the same dynamic range,. But 12 bits and 14 bits could have
> > > > different non-linear transfer functions....  Which, in the context of
> > > > photography, may not be at all easy to see with the eyes.
> > > >
> > > > Let me stop here... I spent the better part of my working career in
> > > > understanding the intricacies of ADC products.  If I go any further
> in
> > > the
> > > > explanation, I will lose almost everyone.    Suffice it to say that
> > what
> > > we
> > > > do not know exceeds what we do know.
> > > >
> > > > Yes, there is a story out there... Yes it is important that we know
> > > > what that story is, in theory.  In practice, the M246 seems to
> produce
> > > > better images than the MM.... 12 bits 14 bits or some other number of
> > > bits.
> > > >
> > > > I agree with Mark.. HDD storage is so cheap that 12 vs 14 bits is a
> > > > ridiculous reason to chintz on the ADC resolution.  There is some
> > > > other reason.
> > > >
> > > > Or, someone made a bad assumption in the first place and this whole
> > > > thread is a waste of time.
> > > >
> > > > Frank Filippone
> > > > Red735i at verizon.net
> > > >
> > > > Peter according  to some guy on the internet its not a matter of a
> few
> > > > steps up from 12 to 14 bit. Its  4 times as many shades of intensity
> > > > in a given range.
> > > > That sounds like a big deal for me.
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Leica Users Group.
> > > > See http://leica-users.org/mailman/listinfo/lug for more information
> > >
> > >
> > >
> > >
> > > --
> > > Mark William Rabiner
> > > Photographer
> > > http://gallery.leica-users.org/v/lugalrabs/
> > >
> > >
> > >
> > > _______________________________________________
> > > 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
>



-- 
Bob Adler
www.robertadlerphotography.com


Replies: Reply from rgacpa at gmail.com (Robert Adler) ([Leica] New M(246) Outputs 12 bit Files)
In reply to: Message from red735i at verizon.net (Frank Filippone) ([Leica] New M(246) Outputs 12 bit Files)
Message from mark at rabinergroup.com (Mark Rabiner) ([Leica] New M(246) Outputs 12 bit Files)
Message from red735i at verizon.net (Frank Filippone) ([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 jayanand at gmail.com (Jayanand Govindaraj) ([Leica] New M(246) Outputs 12 bit Files)