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Re: OM 10 battery life and LONG exposures was Re: [OM] OM Metering for

Subject: Re: OM 10 battery life and LONG exposures was Re: [OM] OM Metering for long exposures
From: John Hermanson <omtech@xxxxxxxxx>
Date: Fri, 25 Sep 1998 08:09:43 -0400
The only combination magnet in the 10 (G & F) holds the mirror for self
timer, and locks the mirror for dead/no battery condition.  The magnet that
hold s the 2nd curtain open is a plain electromagnet.

John
http://www.zuiko.com

Stuart Goggin wrote:

> RE Using the OM 10 for long exposures,
>
> As I understand it the OM 10 uses a combined magnet to hold the shutter
> open,  there is a permanent magnet which actually holds the shutter
> curtain, and an elctromagnet that pulses to kick the shutter closed.
> The power only flows in the electromagnet as a pulse to close the
> curtain.  This means that the camera should use exactly the same amount
> of power for an 10 minute B exposure as a 1000/Sec normal exposure.   Is
> this right?
>
> Stuart
>
>






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