Archived posting to the Leica Users Group, 2009/07/13

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Subject: [Leica] Repairs by DAG
From: grduprey at mchsi.com (grduprey at mchsi.com)
Date: Mon, 13 Jul 2009 19:10:04 +0000

 
Doug,
My R4SP had the same failure, electronics just fine, but those reconditioned 
Minolta mechanicals are not up to spec.  ;-D


Gene  -------------- Original message from Doug Herr <wildlightphoto at 
earthlink.net>: --------------


> Frank Dernie wrote:
> 
> >Actually electronics have been shown to be very much more reliable and  
> >accurate than mechanical devices. The problem repairing electronic  
> >devices in 60 years time will be availability of spares. In the case  
> >of mechanical cameras the same problem will exist.
> As a mechanical engineer I agree.  In the Leicaflexes there are a few 
> selected mechanical parts that can be replicated by a good machinist but 
> most mechanical parts are grossly uneconomical to fabricate on a one-off 
> basis.  Even in the old Leicaflexes several components were mass-produced 
> sub-assemblies that cannot be repaired if damaged, only replaced, like the 
> low-speed and high-speed shutter timing modules and the self-timer.  Only 
> the very first models of the Leicaflex 
> Standard have discrete components for high-speed shutter timing.
> As far as reliability is concerned, I have an R4s body that came to me as 
> spare parts from a very humid environment.  The electronic stuff is 
> working well, the 
> aperture stop-down mechanism is bad.  YMMV.
> 
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.com
> 
> 
> 
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In reply to: Message from wildlightphoto at earthlink.net (Doug Herr) ([Leica] Repairs by DAG)