Archived posting to the Leica Users Group, 2009/06/28

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Subject: [Leica] stop-down focussing (was: Re: FS: All of my R gear (sadly!))
From: john.o.newell at comcast.net (J. Newell)
Date: Sun, 28 Jun 2009 11:00:43 +0000 (UTC)

Yes, this is the only reason I haven't bought a bunch of Leitax flanges for 
my R lenses.  I may still do it for the 100/2.8 Apo Macro and the 180/3.4 
Apo Telyt, which I often shoot wide open anyway, but that is what has kept 
me from going ahead with the conversions.

John Newell


----- Original Message -----
From: "Doug Herr" <wildlightphoto at earthlink.net>
To: "Leica Users Group" <lug at leica-users.org>
Sent: Saturday, June 27, 2009 10:46:22 PM GMT -05:00 US/Canada Eastern
Subject: [Leica] stop-down focussing (was: Re: FS: All of my R gear (sadly!))

Mark Rabiner wrote:

>Its just my impression that a certain group of people out there all the time
>don't think twice about it. Not that I can name one.

You're right, there are quite a few people who are successfully either 
focussing at working aperture or stopping the lens down to working aperture 
after focussing.  Several are on this list.  My typical subjects move too 
often and too quickly to make it work for me.  It's one of the reasons I use 
the f/6.8 Telyts at full aperture.  I wish they had an automatic diaphragm 
like the 280mm f/4 APO does.  I find myself using the 280 with 1.4x extender 
much more often than the 400mm f/6.8 in order to take advantage of the 
automatic diaphragm.

Doug Herr
Birdman of Sacramento
http://www.wildlightphoto.com



Replies: Reply from drodgers at casefarms.com (David Rodgers) ([Leica] stop-down focussing (was: Re: FS: All of my R gear(sadly!)))
In reply to: Message from wildlightphoto at earthlink.net (Doug Herr) ([Leica] stop-down focussing (was: Re: FS: All of my R gear (sadly!)))