Patent exposure of Canon rf20mm and rf24mm f1.8l lens



Canon has been applying for patents for various RF bayonet lenses. Recently, two more ultra wide angle large aperture lenses have been patented for RF 20 mm f1.8l and RF 24 mm f1.8l.


佳能RF20mm与RF24mm F1.8L镜头专利曝光

Canon f1.8

The focal length is 20.60mm

The F value was 1.85

Half view (degrees) 46.40 degrees

Image height 21.64mm

The total length of lens is 88.73mm

BF 11.72mm

Canon 24mm f1.8mm

The focal length is 23.28mm

The F value was 1.85

Half view (degrees) 42.90 degrees

Image height 21.64mm

The total length of lens is 93.32mm

BF 12.72mm

Via: camera beta

Author: Shen Pei


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