Konica Minolta 18-35mm f/2.0-2.8 Lens Patent For E-mount

A new Konica Minolta lens patent spotted by Egami. The new patent describes a Konica Minolta 18-35mm f/2.0-2.8 lens designed for APS-C based mirrorless cameras.

The new Konica Minolta 18-35mm f/2.0-2.8 lens seems to be an excellent choice for APS-c sensor Sony E-mount cameras such as the popular A6000 model.

From the patent application we can say the lens consists of focal range between 18-35mm and aperture between f/2 to f/2.8.

Konica Minolta 18-35mm f/2.0-2.8 Lens Patent

konica-minolta-18-35mm-f2-0-2-8-lens-patent-for-e-mount

See below for the details of the patent translated by Google.

Description, self-interpretation of the patent literature

  • Patent Publication No. 2015-169931
    • Published 2015.9.28
    • Filing date 2014.3.11
  • Example
    embodiment
    Example Focal length Angle of view Fno. BF Lens constitution Aspheric surface ED
    1 18.91 24.81 32.12 74.0 59.7 47.9 2.06 2.54 2.88 1.00 9 group 11 sheets 5 surface 3 sheets 1
    2 18.90 24.80 35.95 74.0 59.8 43.2 2.06 2.37 2.88 1.00 9 group 11 sheets Four-sided three 0
    Three 18.90 24.79 32.07 74.0 59.8 47.9 2.06 2.5 2.88 1.00 9 group 11 sheets 5 surface 3 sheets 0
    Four 18.37 24.80 40.27 75.6 59.8 39.0 2.06 2.35 2.88 1.00 9 group 11 sheets 5-sided four 2
  • Konica Minolta patents
    • Image height Y = 14.25mm
    • 4-group zoom of positive and negative-positive-positive grain
    • Rear focus

via EG