> Japanese webpage says: EF 180 f3.5 Macro USM L shortest photographing
> distance: 0.48m
> 
> How about that 65mm EOS specialty lens?
> The CANON MP - E65mm F2.8 1 - 5 x macro
> Shortest photographing distance 24cm.  - max. mag. ratio 5:1

Hi Jim,

The FOCUSSING distances you quoted are measured from the film plane to the
subject - and includes the length of the lens, and any helical extension
when focussing. 

I wanted to know the WORKING distance (from the subject to the front nodal
point of the lens).

Cheers
Julian Loke

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