Ricoh 24mm f/2 Mirrorless Lens Patent

Egami has discovered a new patent filed by Ricoh. The new patent describes a Ricoh 24mm 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. See the patent details below.

Ricoh 24mm f/2 Mirrorless Lens Patent


Description and self-interpretation of the patent literature

  • Patent Publication No. 2014-21340
    • Publication date 2014.2.3
    • Filing date 2012.7.19
  • Example 1
    • Focal length f = 24.90mm
    • Fno. 2.06
    • 30.2 ┬░ half angle
    • Image height Y = 14.3mm
    • Seishibo positive and negative

via EG