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RE: [OM] OM-3 problem -- triggering of shutter by pressing DOF preview

Subject: RE: [OM] OM-3 problem -- triggering of shutter by pressing DOF preview
From: "Kam Cheung" <gkz@xxxxxxxxxxxxxx>
Date: Fri, 14 Feb 2003 10:33:30 +0800
Thanks Clintonr for your input.

Regards,
Kam

-----Original Message-----
From: owner-olympus@xxxxxxxxxxxxxxx [mailto:owner-olympus@xxxxxxxxxxxxxxx]On
Behalf Of clintonr@xxxxxxxxxxxxxxxx
Sent: Friday, February 14, 2003 1:40 AM
To: olympus@xxxxxxxxxxxxxxx
Subject: Re: [OM] OM-3 problem -- triggering of shutter by pressing DOF
preview


A lot of people don't realize that when you "fire the shutter" on an SLR,
you're not really releasing the shutter -- you're releasing the mirror, and
the mirror trips the shutter once it moves up out of the way.  And on OM's
at
least, the same mechanism that lifts the mirror also stops down the lens'
aperture.  When you "work" the DOF button, it may be jiggling the aperture
stop-down arm enough to make it "fire", releasing the mirror then firing the
shutter...
>
> Regards,
> Kam
>
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