Nikon’s 18-55mm f/4-5.6 lens patent 2012123118 appears to be for a mirrorless APS-C camera. The Nikon 1 system has a sensor smaller than APS-C. Maybe Nikon is working on a camera similar to the Pentax K-01? Patents do not guarantee new product introductions, but almost every new lens fr0m the past few years has been patented first.
Patent details:
- Release date: June 28, 2012
- Filing date: December 7, 2010
- Zoom ratio: 2.88649
- Focal length: 18.5 – 53.4mm
- Aperture: 4.11 – 5.88
- Half angle of view: 14.48 deg 39.18
- Image height: 14.25mm
- lens length: 70.49 – 96.38mm
- Back focus: 27.12 – 47.83mm
- Lens design: 12 elements in 9 groups, 2 aspherical surfaces, 1 ED element