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Re:[OM] Shutter Shudder Revisited

Subject: Re:[OM] Shutter Shudder Revisited
From: "Tomoko Yamamoto" <tomokoy@xxxxxxxxx>
Date: Wed, 19 May 1999 15:57:57 -0400
I wrote earlier:
>I checked on the aperture prefire of the OM-1 (mine is an M-1).  It looks that
>if you use the self-timer in addition to MLU, the aperture closes down at about
>4 sec prior to the shutter opening.

Unfortunately when I reexamined the self-timer operation, the diaphragm closing
appears to be simultaneous with the shutter opening.

What threw me off was that when I set the shutter speed to 1 sec, the diaphragm
closing occurred shortly after the 4 sec position of the self-timer lever.  I
had expected that the shutter would open  when the self-timer lever is at its
vertical position.  Apparently the shutter opens and closes prior to the lever
reaches its vertical position.

I am sorry to cause any confusion on the matter.

Tomoko Yamamoto
mailto:tomokoy@xxxxxxxxx
http://www.charm.net/~tomokoy/



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