New Canon patents: 85mm f/1.2 , 85mm f/1.8 , 135mm f/2 , 50mm f/1.4

Canon-Patents

 

Egami posted several new Canon lens patents: 85mm f/1.2, 85mm f/1.8, 135mm f/2 and 50mm f/1.4.

The essence of these lens patents is the use of glass with anomalous dispersion.

via: EG