Nikon and Cosina 19mm F4 PC-E Lens (joint) Patent application surfaced over the web, the tilt-shift lens covers wide 19mm range and features a constant F4 Aperture.
Patent Publication No. 2015-219507
- Published 2015.12.7
- Filing date 2014.5.21
Also see some more Nikon Patents
— Nikon patents Mirror-Less interchangeable Sensor Camera
— Nikon Patent 9-30mm Kit Lens for Nikon 1 System
— Nikon Multilayer Sensor with Hybrid AF
source egami