I am not sure if anyone else is selling this lens besides ebay:
Voigtlander Super Wide Heliar 15mm M-mount/Leica M
Form voigtlaender.de: NEW our first and most traditional lens, the 15 mm Super Wide Heliar, comes in a new edition:
By popular request this lens has been designed with a M-Bajonett-Mount as well as a filter mount.
| Focal lenght | 15 mm |
| Aperture ratio | 1:4.5 |
| Smallest aperture | F22 |
| Lens construction | 6 groups, 8 elements |
| Picture angle | 110Àö |
| Aperture blades | 10 |
| Closest distance | 0.5 m |
| Diameter | 59,4mm |
| Length | 38,2mm |
| Weight | 156 g |
| Filter mount | 52mm |
| Lenshood | integrated |
| Mount | M-Bajonett |
| Rangefinder coupling | ~ 0,7m (depends on camera body) |