近日,佳能在美国公布编号20190369372专利。该项专利涉及到多款镜头,其中包括RF 28-280mm F2.8、RF 28-135mm F4、RF 24-170mm F4。值得一提的是,佳能RF 28-280mm F2.8镜头长度达到了34cm。
佳能RF 28-280mm F2.8镜头专利详情:
- 焦距:27.81mm 146.83mm 269.60mm
- 光圈:2.88 2.88 2.88
- 半画角:34.09° 8.38° 4.59°
- 像高:18.82mm 21.64mm 21.64mm
- 镜头全长:340.47mm 340.47mm 340.47mm
- 后焦距:32.97mm 32.97mm 32.97mm
佳能RF 28-135mm F4镜头专利详情:
- 焦距:28.84mm 80.09mm 135.75mm
- 光圈:4.12 4.12 4.12
- 半画角:33.13° 15.12° 9.06°
- 像高:18.82mm 21.64mm 21.64mm
- 镜头全长:167.97mm 167.97mm 167.97mm
- 后焦距:27.78mm 27.78mm 27.78mm
佳能RF 24-170mm F4镜头专利详情:
- 焦距:24.72mm 99.78mm 166.47mm
- 光圈:4.12 4.12 4.12
- 半画角:37.29° 12.23° 7.40°
- 像高:18.82mm 21.64mm 21.64mm
- 镜头全长:236.70mm 236.70mm 236.70mm
- 后焦距:23.98mm 23.98mm 23.98mm
via:canonrumors、canonnews