Archived posting to the Leica Users Group, 1999/07/29

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Subject: Re: [Leica] 50mm f2.8 Elmar performance
From: "Dan S" <dstate1@hotmail.com>
Date: Thu, 29 Jul 1999 17:40:59 GMT

F8 will probably be the best performing stop, with f5.6 second best.  I have 
not found performance to be seriously degraded at the smaller stops.  I have 
used f11-f16 with excellent results.  At wider apertures the contrast is 
low.

Dan


>In the next month or so I am sending in an old style 50mm f2.8 Elmar to
>Sherry for a front element replacement and CLA.. My question to those of 
>you
>who have a lens of this type.  What f stop have you found to be the sweet
>spot?  I am suspecting, by my informal tests on the lens in its present
>condition that its optimal f stop would be f4 to f5.6.
>
>I intend to use this as I like its collapsible nature when light is
>sufficient for stopping the lens down.
>
>gck
>


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