Focus shift could be a problem for modern AF zoom (especially the 28-135 IS
I had), 1080 movie is rather demanding. My OM Zuiko zooms are calibrated to
very high accuracy, there is no noticeable shift for 65-200 and very minor
shift for 50-250.
C.H.Ling
----- Original Message -----
From: "Andrew Fildes"
> Many but not all zoom lenses defocus slightly with zooming, I
> understand. Enough to be a problem?
> Also it would be awkward without a lens ring handle - like the focus
> handle-grip made for MF SLRs like 'blad and Kowa. Often wondered why
> no-one made these for smaller lenses - works well on tiny lenses like
> Voigt. rangefinder lenses.
> In fact, to use a 5D2 seriously for movie work, I'd want something
> that provided movie cam style handling like a grip frame with mike and
> light mounts plus focus and zoom handles, screen hood, etc. Frankly,
> it's a bloody awkward camera for moving pictures, even on a tripod,
> for all but static studio shooting.
> Andrew Fildes
> afildes@xxxxxxxxxxxxx
>
--
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