That would be a 'KA' mount.   == has  the 'A' position on the lenses for
'program mode'.
It does not auto focus---so spending big bucks for a new autofocus macro lense
won't get you anything.

However, the newer  autofocus macros  (the  50mm f2.8 and the 100 mm f2.8)  --
but not the 100 mm. f3.5
will extend to 1:1 without extension tubes.  the older models  only went to 1:2
before requiring tubes.

The 100 mm macros have an advantage in that you can get a  few inches further
away from your work
which is really nice if you are photographing bugs, bees and the like.

David James wrote:

> Howdy all.  I'm new to this list and have a couple of questions:
> I own a P3n, about 11 years old.  What is the mount type for the P3n?
>
> I am looking to purchase a macro lense for it, something in the range of 1:1
> to 1:3, preferably a dedicated macro lense, not a zoom with macro
> capabilities (due to the light consumption by zoom lenses).
>
> Recommendations?
>
> thanx
>
> dj
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