Archived posting to the Leica Users Group, 2015/11/15

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Subject: [Leica] The SL
From: roark.paul at gmail.com (Paul Roark)
Date: Sun, 15 Nov 2015 18:14:44 -0800
References: <10773717.1447605534549.JavaMail.root@mswamui-thinleaf.atl.sa.earthlink.net>
 
Doug,

If you look into the front of the Sony AF lens when you have it auto-focus,
it seems that the aperture opens maybe a half stop at most over the working
aperture.  It's basically focusing at working aperture.

Paul
www.PaulRoark.com

On Sun, Nov 15, 2015 at 8:38 AM, Doug Herr <wildlightphoto at earthlink.net>
wrote:

> Paul Roark wrote:
>
> >>>
> ....  The only Sony AF lens I have is the 35mm f/2.8.  The Sony AF seems
> to do a good job with that when it is wide open, but at f/8, its percentage
> of hits goes down significantly.
> <<<
>
> Does this mean the AF is focussing at working aperture?
>
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.com
> http://doug-herr.fineartamerica.com
>
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Replies: Reply from red735i at verizon.net (Frank Verizon) ([Leica] The SL)
 In reply to: Message from wildlightphoto at earthlink.net (Doug Herr) ([Leica] The SL)