.... and don't forget also to use a tripod, but NOT a cable release. As
recommended by Olympus and I believe borne out in practice, use your hands
to press dowm on the camera and lens, then use the usual shutter release
button.
--
Piers
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Christos Stavrou
Sent: 14 August 2006 13:22
To: olympus@xxxxxxxxxx
Subject: [OM] Re: odd lens question
Oh I see.. thank you!
Especially interesting is the pre-firing of the shutter!..
Aaah!... that's why the same sample often seems to perform less well in an
OM-1 than an OM-2000 lets say.. Just to confirm then, if I have understood
well, and regarding normal photography not only tests, to get this benefit
of additional sharpness (by escaping much of the
vibrations) as it specifically occurs in OM2s, 4s and 2000s, we do have to
use the auto-timer -if possible, don't we?
Christos
On 8/14/06, Donald <d1956m198d@xxxxxxxxxxxxxxxx> wrote:
> The closing of the aperture on the lens during exposure is quite a
> hefty blow, so can affect sharpness, even with mirror lockup.
>
> Those bodies that pre-fire the shutter using the self-timer give the
> vibrations enough time to finish before the exposure is made, and are
> therefore best for sharpness testing of lenses. OM2s, OM4, OM2000.
>
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