Egami has discovered a new patent filed by Ricoh. The new patent describes a Ricoh 26mm f/1.8 and f/2 lens for mirrorless APS-C sized sensor cameras.
It is the lens of 35mm equivalent terms corresponding to the APS-C mirrorless. But there is no news if Ricoh is going to launch a new APS-C mirrorless system.
Previously Ricoh has patents for 24mm f/2 lens too. See the patent details below.
Ricoh 26mm f/1.8 and f/2 Mirrorless Lens Patents
Description and self-interpretation of the patent literature
- Patent Publication No. 2014-81485
- Publication date 2014.5.8
- Filing date 2012.10.16
- Example 1
- Focal length f = 26.00mm
- Fno. 2.00
- Half angle ω = 28.81 °
- Example 4
- Focal length f = 26.00mm
- Fno. 1.80
- Half angle ω = 28.8 °
via EG
