The Septon is a gem, I call three of it my own and use it with the F4 and D700.
It is excellent for B&W use and I like the Bokeh of it.
BTW: all Voigtländer lenses for the Bessamatic sytem are good usable lenses, very interesting is the Zoomar 36-82 f/2.8
I love the lens destorsions of it
![Shocked :o](https://nikongear.net/revival/Smileys/default/shocked.gif)