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[OM] Re: OM-3 "sound"

Subject: [OM] Re: OM-3 "sound"
From: Marc Attinasi <marc@xxxxxxxxxxxx>
Date: Sun, 21 May 2000 23:02:18 -0700
Thanks for the information. So, the noise is 'normal' for a relatively
new camera? I wonder since my OM-1 and my M6 have mechanical shutters
and they don't make any noises or otherwise betray their mechanical
inner-workings... and the OM-3Ti is far newer than both of them!

- marc

imagineer@xxxxxxxxxxxx wrote:

> Hi, Marc -
>
> Remember that your OM-3 uses a mechanical governor (called an
> "escapement retard") to control the shutter speeds.  That's
> basically a variable train of gears and mechanisms that delays
> the travel of the second curtain to give various shutter speeds.
> As you change the shutter speed dial, you're basically changing
> the combinations of these gears and mechanisms which will come
> into play when you fire the shutter - you are, quite literally,
> "changing gears" as you change speeds (at least from speeds of
> 1 second to 1/30th).  The sound you hear is the sound of the
> mechanical devices as they engage and disengage, depending on
> the setting you've chosen.
>
> Imagineer


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