Archived posting to the Leica Users Group, 1997/09/18

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Subject: Re: ASPH "bokeh"
From: ABreull@aol.com
Date: Thu, 18 Sep 1997 14:48:40 -0400 (EDT)

In einer eMail vom 18.09.1997  17:59:48, schreiben Sie [about your 
experience with the 1.4 ASPH Summilux]:

>The picture was taken pretty-wide-open, probably f/2, and while stuff in the

>plane of focus is tack-sharp, some out-of-focus leaves in the background
have
>a kind of jarring, "jangly" quality (doubled,
improbably-hard-for-out-of-focus 
>edges and the like).

While the 1.4 ASPH increases the impression of sharpness by increasing the
unsharpness in the unsharp areas additionally (similar to the pre-war 2/50
Summar), which might be "deadly" on and by (unsharp) high contrast back- or
forgrounds, the Summicron is more softening, which still allows you to
recognize for- and background (opposite to a wide open Summilux pix).

Alf