Archived posting to the Leica Users Group, 2000/06/25

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Subject: Re: [Leica] Rangefinder Effective Base
From: Rich Lahrson <>
Date: Sun, 25 Jun 2000 23:31:54 -0700
References: <002501bfdf34$be738b40$2fc4ead1@pc>

Bill Larsen wrote:
> I believe that that is the reference to the "notch" in the finder that when
> using the 50 mm lens shows the depth of field at f/16 (top mark) and f/5.6
> (bottom mark).  I think that this was a "feature" of the late M3s and M2s. It
> is used with the split image rangefinder image.  Personally, I have never used
> this "feature" as it seemed rather convoluted.

Hi Bill,

     Ok, it seems something that is probably in the instruction manual,
but few actually use in the real world.


In reply to: Message from "Bill Larsen" <> (Re: [Leica] Rangefinder Effective Base)