Ricoh filled a patent of a 75mm Lens with F2.8 aperture for a 1″ sensor based camera, currently Ricoh doesn’t make any compact or mirror less camera with 1″ sensor and that clearly means Ricoh is can enter in 1″ sensor based compact products.
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Description, self-interpretation of the patent literature
- Patent Publication No. 2016-61902
- Published 2016.4.25
- Filing date 2014.9.17
- Example 1
- f = 75.0mm
- F = 2.83
- 2ω = 12.2 degrees
- Ricoh patents
-  been widely put into practical use a so-called “industrial cameras”, for example, are being developed such as an image input device for machine vision.
-  an imaging lens used in an image input device of machine vision, much variation in lens performance due to focusing, it is important that stable.
- Feeding the front lens
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