Archived posting to the Leica Users Group, 2005/05/26

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Subject: [Leica] Any Know production problems with 50 Summilux ASPH?
From: rhaightjr at (Bob Haight)
Date: Thu May 26 13:26:05 2005

Mine would underfocus at infinity which was
immediately corrected by Leica. If yours does the same
the same your wide open shots will not be tack sharp.
Stopping down, in the meantime, should eliminate the
problem. Bob H.
--- Higa Isaku <> wrote:
> Hi everyone,
> After months of waiting, I finally received a
> delivery of 50 Summilux ASPH 
> last week.  I shot few rolls (ASTIAs and Velvias)
> over the weekend and 
> frankly I was disappointed to see the resultss. 
> Does not seem to 
> significantly sharper than the latest non-ASPH
> version.  
> Then I remebered  hearing  a rumour while back that
> 50 Summilux ASPH is 
> prone to production issues concerning the floating
> element mechanics.  
> Recent Photos I took with the same camera recently
> with different lenses 
> are quite sharp and in focus so I don't think it is
> a problem with the 
> rangefinder of the camera.
> I am wondering wether my expectations were too high
> or there really are 
> problems with the particular lens I got?
> Any comments from you would be helpful.
> Thanks,
> Isaku
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