TAKO. INTERNET SEIT 1996.
Olympus-OM

Re: [OM] Oly Shutter Speed Control

Subject: Re: [OM] Oly Shutter Speed Control
From: "Giles" <cnocbui@xxxxxxxxx>
Date: Mon, 30 Aug 1999 18:23:50 +0000
Apart from not agreeing with you on a number of points ;-)  the shutter speed 
ring 
is not the switch itself.  It is a machined piec of aluminium with square 
notches 
milled on the inside.  A sort of leaf spring forces a small ball bearing into 
the 
notches to proved the positive click-action.  There are also gear teeth milled 
in it 
which engage a gear wheel in the body, which must be where the shaft position 
sensor/switch is located.

I suspect Olympus may have varied the stiffness of the leaf spring on the Tis.

Giles

Winsor Crosby wrote:

> mechanical linkages like the OM1? My OM4T ring is quite smooth, but it is
> after all, I think, just a switch for the electronically timed shutter.
> 

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