Archived posting to the Leica Users Group, 2004/05/04

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Subject: [Leica] Two sets of aperture blades?
From: mail at gpsy.com (Karen Nakamura)
Date: Tue May 4 11:13:38 2004
References: <1db.209bdec9.2dc92eb2@aol.com>
 
OK, am I on drugs or does Leica use two sets of aperture blades? It 
seems on many of my lenses, that looking from the front, there is one 
set (main set?) that closes down, but from the rear, there's another 
set that gradually closes down and catches up at f/22 or so. It's 
very odd.

Is this to smooth out bokeh? Or am I seeing an illusion?

Karen


-- 
Karen Nakamura
http://www.photoethnography.com/ClassicCameras/
Replies: Reply from aaron.sandler at duke.edu (Aaron Sandler) ([Leica] Two sets of aperture blades?)
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