Nikon filed a patent in Japan for a 200-500mm f/3.5-5.6 and 200-500mm f/4-5.6 full frame zoom lenses:
- Patent #2013-97322
- Patent publication date: May 20, 2013
- Patent filing date: November 4, 2011
200-500mm f/3.5-5.6 lens calculation:
- Image height: 21.60mm
- Zoom ratio: 2.40x
- Focal length: 200.00 – 480.00mm
- Aperture: 3.6 – 5.6
- Angle of view: 12.21 – 5.11°
- Lens design: 14 elements in 11 groups with one ED glass
200-500mm f/4-5.6 lens calculation:
- Image height: 21.60mm
- Zoom ratio: 2.40x
- Focal length: 199.99 – 480.00mm
- Aperture: 4.1 – 5.6
- Angle of view 2ω = 12.26 – 5.10°
- Lens design: 15 elements in 11 groups with one ED glass
Depending on the price, this could be a very interesting lens if it ever gets released – currently only two FX zoom lenses can reach 400mm: 200-400mm f/4G ED VR II and 80-400mm f/4.5-5.6G ED VR.
Via Egami