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今日,佳能申请新款镜头专利(专利申请号:2020-190696)。
以下为本专利的实施例:
佳能RF 14-35mm F4L镜头
- 焦距:14.8mm 21.58mm 32.85mm
- 光圈值:F4.1 F4.1 F4.58
- 半视角:55.62° 45.07° 33.37°
- 像高:21.64mm 21.64mm 21.64mm
- 镜头长度:244.83mm 244.83mm 244.88mm
- 后焦距:16.76mm 16.76mm 16.76mm
佳能RF 17-40mm F4L镜头
- 焦距:17.33 23.76 38.46
- 光圈值:F4.1 F4.1 F4.1
- 半视角:51.31° 42.32° 29.36°
- 像高:21.64mm 21.64mm 21.64mm
- 镜头长度:140.59mm 135.9mm 140.61mm
- 后焦距:26.31mm 26.31mm 26.31mm
佳能RF 24mm F2.8镜头
- 焦距:23.94mm
- 光圈值:F2.83
- 半视角:42.1°
- 像高:21.64mm
- 镜头长度:99.77mm
- 后焦距:17.95mm
佳能RF 20mm F2.8镜头
- 焦距:19.33mm
- 光圈值:F2.92
- 半视角:48.22°
- 像高:21.64mm
- 镜头长度:182.37mm
- 后焦距:17.97mm