Archived posting to the Leica Users Group, 2002/05/08

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Subject: Re: [Leica] M7 at a Bris
From: Douglas Herr<telyt@earthlink.net>
Date: Wed, 08 May 2002 11:38:41 -0700

On Thu, 09 May 2002 02:31:03 +0800 Joseph Yao <joseph@yao.com> wrote:

> on 9/5/02 2:25 am, Douglas Herr at telyt@earthlink.net wrote:

>> Wasn't it a Pentax (model escapes my memory) 
>> that introduced aperture-priority
>> exposure automation on an interchangable-lens 
>> SLR?  I think it was 1970 or so.
>
> The first Pentax that offered auto exposure was 
> the Spotmatic ES with M42 screw mount.  But I 
> am not sure if it was world's first AE SLR.  I 
> believe it was a Konica?
 
Yes, the Konica's auto-exposure system pre-dated the Spotmatic ES but it was a mostly mechanical shutter-priority system, while the Spotmatic ES had an electronically-timed shutter.
 

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