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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