Archived posting to the Leica Users Group, 1999/04/07

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Subject: [Leica] Help with 50mm f/2 M
From: Patrick Snook <patrick.snook@yale.edu>
Date: Wed, 7 Apr 1999 10:57:10 -0400 (EDT)
 
LUGgers,

I would be most grateful for help with this:

I have a new Summicron 50mm/M.  My question concerns the aperture ring. 
Between each f-stop there is one other click-stop, representing a half
stop--except for between f/2.8 and f/4, which has *two* clicks. 

Is this a mechanical error?  (If not, do these two clicks represent 1/3
stop increments?)

Thank you, in advance.

Patrick Snook