Archived posting to the Leica Users Group, 2014/02/22

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Subject: [Leica] OT - Sony Alpha 7R
From: roark.paul at (Paul Roark)
Date: Sat, 22 Feb 2014 13:56:52 -0800
References: <> <>

Focus shift update:  The bottom line I'm beginning to come to is that the
36 mp sensor is going to make minor issues look more major when pixel
peeping.  The focus shift of the 35mm FE on the a7r might well be in that
category.  In some more real world shooting today, the mode of manually
focusing, with focus magnification, at f2.8 and then shooting at f8 made
the best image, at least where I could not just use the distance scale to
manually focus on "infinity."  The f8 AF was weak even in the sun.  Second
best in more real world shooting after the manual focusing at 2.8 &
shooting at f8 was AF at f2,8 and shooting at f8.  In other words, in many
if not most situations, the typical SLR way of doing things may be the best

I can't say the FE shift is any worse than average.

So, why is Sony avoiding the wide open focusing as the norm?  Does it
overheat the sensor?


On Sat, Feb 22, 2014 at 1:39 PM, Mark Rabiner <mark at> 

> I don't think its  that bad really but I think if that's going to be the
> digital M they should come out with a digital LTM, SM or Barnack depending
> on how you phrase it. A Digital IIIF.
> They can loose M sales to other camera companies or they can make their own
> viable compact system camera with less weight, bulk and cost to appeal to
> non Hedge fund types.
> Not competing with the other camera companies for a true compact high
> quality (FF) means they were shooting themselves in both feet. Not just
> letting them have those sales; in a field they should own. A form
> factor they invented.
> On 2/22/14 2:29 PM, "Jim Laurel (gmail)" <jplaurel at> wrote:
> > I agree completely that this should be Leica's single overriding core
> value,
> > but don't think M240 is as bad as Mark is making it out to be.
> >
> >
> > On Feb 22, 2014, at 10:54 AM, Mark Rabiner <mark at>
> wrote:
> >
> >> A very compact but very high image producing camera is a  core value
> which
> >> Leica should own. It invented it. Leica should be all over it. Mop the
> floor
> >> with it.
> >
> >
> > _______________________________________________
> > Leica Users Group.
> > See for more information
> --
> Mark William Rabiner
> Photographer
> _______________________________________________
> Leica Users Group.
> See for more information

In reply to: Message from jplaurel at (Jim Laurel (gmail)) ([Leica] OT - Sony Alpha 7R)
Message from mark at (Mark Rabiner) ([Leica] OT - Sony Alpha 7R)