On 18 Dec 2003 at 8:49, [EMAIL PROTECTED] wrote:
> From: Thomas Bantel
>
> > Then again, AFAIK, EOS lenses don't transmit focal length
> > (virtually) stepless and some don't transmit it at all.
>
> EOS lenses do transmit the focal length (if focal length means 'zoom
> setting', which it does if i'm not mistaken). On my RT with TBE I get
> a very precise readout of the current zoom-setting, in millimeters
> IIRC. AFAIK they do however not transmit the focussing distance.
>
> Does one need to know the focal length or the focussing distance for
> in camera IS? Or both?
In hindsight, I don't think even focal length, since IS keeps on
working happily with a teleconverter, be it EOS or the Canon videocam-
converter....
Not sure though if that excludes any correction needed for wide
angles....:))
--
Bye,
Willem-Jan Markerink
The desire to understand
is sometimes far less intelligent than
the inability to understand
<[EMAIL PROTECTED]>
[note: 'a-one' & 'en-el'!]
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