Some of the tests I saw for the 75-150 M.Zuiko showed pretty severe shake.
I suspect the optics in the relatively loose, long telescoping AF zooms can
move. Maybe the IS can compensate...
jeff keller
On Fri, Nov 9, 2012 at 5:16 AM, Brian Swale <bj@xxxxxxxxxxxxxxx> wrote:
> Chuck wrote
> > Does the IS on the E-M5 need to be disabled when on a tripod or
> > partially disabled when using a monopod?
> >
> > Chuck Norcutt
>
> Last autumn ( 6 months ago ), two or three times I travelled 80 minutes or
> so to photograph a particularly striking line of Lombardy poplars in strong
> side light I used the Olympus E-3 as well as film in the OM4Ti
>
> With the E-3 I shot hand-held with IS switched on, and also on my rather
> solid Gitzo Studex 320 tripod with 3-way manfrotto head, with the IS turned
> off..
>
> Having stored these images in my computer, I looked at them using
> FastStone, which has a wonderful method of enlarging an image.
>
> I was amazed to find consistently that the hand-held 'IS-on' shots were
> slightly but distinctly sharper than the tripod 'IS-off' shots.
>
> I 'think' I used the time-honoured method of pushing the tripod firmly to
> the
> earth while tripping the shutter. I did not turn on shutter-delay - though
> I
> could have 2 or 12 seconds.
>
> I have more shots to take of roses etc over the coming weeks. I plan to
> give
> my manual macro lenses a workout, AND I think I will leave the IS on.
>
> Brian Swale
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