Olympus 15mm f/2.0 Lens Patent

Egami has spotted a new Olympus lens patent. The new patent describes the Olympus 15mm f/2.0 Lens. This is a pancake lens and it is below the 17mm usual focal length.

Below are the translated text from Google showing the details of the Olympus 15mm f/2.0 lens patent.

Olympus 15mm f/2.0 Lens Patent Details

Description and self-interpretation of the patent literature

• Patent Publication No. 2013-130669
  • Publication date 2013.7.4
  • Filing date 2012.12.21
• Example
  

  embodiment

  Example	Focal length	Fno.	Angle of view	BF	Total length	Lens constitution	Aspheric surface
  One	16.02	1.72	72.98	16.20	59.18	7 group nine	Two 4 surface
  Two	16.00	1.72	73.16	15.06	59.18	10 pieces of eight groups	Three six-sided

  Image height is 10.82mm

• Olympus patents
  • 4-unit construction of positive and negative positive negative
  • Inner focus (the third lens group)
  • Designed to increase the focus back

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