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Re: [OM] Winder/MD contact points

Subject: Re: [OM] Winder/MD contact points
From: Richard Schätzl <Richard.Schaetzl@xxxxxxxxxxxxxxxxxxxx>
Date: Sat, 18 Apr 1998 17:56:27 +0200
ONLYOLY BW wrote:
> 
> In a message dated 98-04-17 17:13:24 EDT, you write:
> 
> << I noticed that the number of contact points on the bottom plate
>  of the OM cameras are different -- some camera models have two
>  contact points while others have three.  Can someone tell me
>  where I can find out what these contacts are for and how all the
>  OM cameras can accept the same winder/MD but still have different
>  number of contact points.  Thanks.
>         -Dan >>
> Snip!
> Hi Dan,
> The OM3, OM4T and OM3Ti all have 5 contacts, while the OM1 &2 have 2 contacts.
> One reason is so the newer bodies can use the Film Rewind feature of the Motor
> Drive 2.  The Motor drive 1 nor the winders have this capability.  The OM1 & 2
> can use the motor drive 2 but cannot use the rewind feature.  I am not sure if
> there are other reasons.
> BW

The OM 2SP and OM 40 (PC) have three contacts (I guess OM 20/G and OM
30/F too) for automatic wind to picture 1 after closing the back.

Richard



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