Voigtländer announced a new 21mm f/1.8 Ultron lens for M mount. The price is 1150 EUR. Shipping is expected in early 2013.

Features:

13 elements in 11 groups with aspherical lens

Full metal barrel with high stiffness and durability

Manual focus only but smoothly and perfectly focusing

10 aperture blades brings you a beautiful bokeh

Specifications: