New Lens Patent: EF 35mm f/1.4L II, EF 35mm f/1.4L listed discontinued at Amazon

ef 35mm 14l

There are several new Canon wide-angle prime lens patents posted on web.

One of them is EF 35mm f/1.4L II.  See the lens patent below:

ef 35mm f 1.4l ii usm

 

  • Focal length f = 35.50mm
  • Fno. 1.45
  • Half angle ω = 31.36 °
  • Image height 21.64mm
  • The overall length of the lens 135.01mm
  • BF 38.56mm
  • 11 pieces Lens Construction 9 group
  • One piece of one aspherical surface
  • The effective diameter of the front lens 49.79mm

The current EF 35mm f/1.4L USM lens is listed as discontinued at Amazon.com:

ef 35mm f 1.4 discontinued

 Also, there are two other wide-angle prime lens patents posted: EF 14mm f/2.8L III and EF 24mm f/2.8 II.

via: EG