Nikon has filed two new lens patents: 50mm f/1.2, 60mm f/1.2.
In the past, Nikon already filed several 50mm patents such as 58mm f/1.2, 58mm f/1.4, see the list below:
| Date | Action | Object | Remarks |
|---|---|---|---|
| 2009.11 | Application | 50mm F1.2, 50mm F1.4 | JP 2011-113052 |
| 2011.4 | Application | 50mm F1.2 , 60mmF1.2 | JP 2012-220754 |
| 2011.4 | Application | 58mm F1.2 | JP 2012-230340,2012-230133 |
| 2011.6 | Application | 58mm F1.2 | JP 2013-11831 |
| 2011.7 | Application | 58mm F1.2, 58mm F1.4 | JP 2013-19992,2013-19993,2013-19994 |
| 2012.1 | Application | 50mm F1.2 , 60mmF1.2 | JP 2013-145337 |
via: EG