As we promised lens fans, we are gradually increasing our coverage of lenses. So today we are serving pancakes, lots of pancakes. All you have to do is bring the syrup :-)
The chef? Voigtlander! The lens? The Ultron 40mm f/2.0 SL-II Manual Focus Pancake Lens available in Nikon and Pentax flavors. The starting price is $380, and the lens is available as follows:
Some discussion of the Nikon version of the lens at the Nikonians forum, including side by side pictures at Pbase (Voigtlander) and Pbase (Nikon 50mm).
The Nikon version gets some love in the forums at photo.net as well. Another photo.net discussion.