Julian,
Does this mean that closest focus at 400mm is 1.569 meters with the 12mm
extension and 1.393 meters with the 25mm extension?
I would have liked to be able to focus to something like 1 meter... when
taking pictures of small birds, for example. But maybe 1.393 meters is good
enough. I will have to try.
Should I get the Canon extension tubes, or are other brands (Tokina,
etc...) as good?
Is there similar info somewhere about the 500D lens?
Your calculator looks impressive, but are there instructions for its use?
Thanks
Pierre
At 08:34 3/17/2001 -0500, you wrote:
> > Pierre Bellavance <[EMAIL PROTECTED]> wrote:
> > How close will the 100-400/4.5-5.6L focus with either the 500D
> > lens or the 25mm extension tube?
> > Second question: How far will it still be able to focus with
> > either one attached?
>
>Hi Pierre,
>
>The data you seek is at:
>http://www.usa.canon.com/camcambin/cameras/eflenses/ef100n400spec.html
>
>You can calculate minimum focus distances with the Lens
>calculator:
>http://members.home.net/jul.loke/
>
>Cheers
>Julian Loke
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