Lars Michael wrote:
> Where can I find out about the position of the nodal point
> (not focal point) for EF lenses, e.g. the 17-35 at 20mm to
> 22mm?

Hi Lars,

Which nodal point?  Front? Rear?
Are you asking how to find / locate the nodal point?

If you have this lens mounted on a camera, this is a trivial
matter. A macro slider, or a Manfrotto 330 bracket would be
very useful, but not absolutely necessary.

Cheers
Julian Loke
P.S. Why do you want to know about the nodal point?

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