A new Nikon 100mm F2.5 Medium Format lens patent appears on egami. Last months, there were rumors on Canon planing for medium format cameras, seem Nikon will also develop medium format cameras in near future.
Lens Detail (Translated by Google):
- Patent Publication No. 2013-174794,2013-174794
- Publication date 2013.9.5
- Filing date 2012.2.27
- Example 1
- Focal length f = 100.00000mm
- Fno. 2.46
- Angle of view 2ω = 62.94 °
- Image height Y = 60.00mm
- BF 81.98720mm
- Length 254.57217mm
- Six 5-group lens configuration
- Two 3 aspherical surface
- Nikon patents
- Negative negative negative positive positive
- Rear focus
via: EG
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