Re: [OM] OM-2S Shutter Firing Sequence

Subject: Re: [OM] OM-2S Shutter Firing Sequence
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Fri, 26 Mar 2010 08:21:33 -0400
In aperture priority mode, difference should be that aperture control 
arm always travels the full distance. Maybe because program f stop lock 
(controlled by another electromagnet) is not at play, overall sound of 
the camera may change. This f stop governor is always in play and this 
is why maximum speed with motor drive is limited to about 3 fps.
John Hermanson  |   CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121  |  www.zuiko.com
Olympus OM Service since 1977
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Ken Norton wrote:
> Thanks, John. How is the OM-2S' firing sequence different in Aperture
> Priority Mode than the OM-4?
> The sound of the cameras is totally different. The OM-4T and OM-3Ti have a
> very tight "ker-chick-t-t-t" sound when firing compared to the OM-2S which
> has a "ker-chunk-t-chick-t-t-t" sound.
> However, when the MD2 is hooked up and running the show, the OM-4T and
> OM-3Ti seem to abbreviate things to a "chick-t-zip" sound. It's as though
> the motordrive is pulling the mirror back down quicker without the bouncing.
> AG (t-t-t) Schnozz
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