Month of the 200mm aka a closer look @ the Micro-Nikkor 200mm f/4 AIS.
It gives access to a wide range of visual approaches in photography. Especially suited it is for the kind of photography I do, and not surprisingly I love very much to work with it. On a DSLR it may have it`s issues with CA in some situations, but on a fun scale, be it analog or digital photography, this tele macro lens scores solid regardless. I use it as often as I can.
If this sort of thing is fun (test-test-testicles); a quick-post, these two frames were done just moments ago, lens attached to the Nikon D3s: