The Chinese company 7Artisans has a new 50mm f/1.1 lens for Leica M-mount. The lens is rangefinder coupled and is probably the cheapest M-mount lens available today at $369 (listed for sale on Amazon and on eBay). A silver version is also available:
7Artisans 50mm f/1.1 lens specifications:
- Full frame: yes
- Compatible camera mount: Leica M-mount
- Focal length: 50mm
- Aperture range: f/1.1-f/16
- Angular field of view: 46°
- Minimum focusing distance: 0.7m
- Number of blades: 12
- Lens design: 7 elements in 6 groups
- Aluminum body and copper core, Sonnar design
- Weight: 14.1 oz / 400 g
- The box contains:
- 7artisans 50mm f/1.1 lens
- two lens caps
- lens bag
- Pergear cleaning kit
- Sample photos: Xitek 1 | Xitek 2 | WXhaowen
This lens could be a copy of the MS Optical Sonnetar 50mm f/1.1 MC lens Voigtlander Nokton 50mm f/1.1 lens.
Update: additional information on this lens can be found here.
Additional information and pictures: