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Re: [OM] OT: Video with primes on Canyon

Subject: Re: [OM] OT: Video with primes on Canyon
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Sun, 1 Nov 2009 11:03:25 +0800
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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