Archived posting to the Leica Users Group, 2013/11/06

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

Subject: [Leica] Leica lenses on Sony A7
From: steve.barbour at gmail.com (Steve Barbour)
Date: Wed, 6 Nov 2013 17:52:13 -0800
References: <8D0A94521E6344B-CE8-80D9@webmail-d187.sysops.aol.com>


Sent from my iPad

Steve Barbour

> On Nov 6, 2013, at 12:23 PM, lrzeitlin at aol.com wrote:
> 
> On Nov 6, 2013, at 11:24 AM, Doug Herr wrote:
> 
> I've noticed this too, and I'd still be able to use my R extenders and 
> extension tubes (no mount changes!).  It can also use FD, AI, pre-AI, EOS, 
> G-type Nikkors, and with a few restrictions that mean little to me, just 
> about anything else you can put on 'em.  With the A7r at 36 full-frame, 
> no-AA-filtered MP.
> 
> I'd have to see for myself what I think of the EVF but from where I sit 
> it's the only possible deal-killer the A7r has.
> 
> - - -
> 
> While it may be a serious contender for long R glass;
> the results I've seen so far when using M glass, 50 mm and shorter, look 
> horrible
> everywhere but the center area.
> I'd guess it's the lack of micro lenses - or at least lack of the "proper" 
> micro lenses.
> Really wish it were not so.
> I'm hoping perhaps the tests I've seen are simply an anomaly.
> Yet it seems fairly obvious that Leica M cameras are optimized for Leica M 
> lenses.
> 
> Regards,
> George Lottermoser
> 
> - - -
> 
> George's conclusion seems to be quite reasonable. Back in the dark ages of 
> Leica full frame digital photography, Leica published reams of material on 
> why full frame imaging wouldn't be possible without carefully designed 
> microlenses and individual lens coding. I guess Sony ignored the Leica 
> pundits and/or configured lenses which altered the light angle at the 
> edges of the frame. I have no specific knowledge of the situation except 
> for the comments of a friend, a former engineer at Kodak who told me 
> several years ago that Leica's microlens solution was effective but very 
> expensive. Except for the plethora of existing Leica full frame lenses 
> requiring a short flange to sensor distance, it was more expedient to use 
> reduced sensor sizes. Thus the M8, APC C, and micro 4/3 size cameras.
> Larry Z

Leica said many things that turned out to be wrong, so what is your point?


s



> 
> 
> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


In reply to: Message from lrzeitlin at aol.com (lrzeitlin at aol.com) ([Leica] Leica lenses on Sony A7)