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佳能最新公布了编号:2019-158961专利,在此同一项专利中有佳能RF 70-400mm F4.5-5.6和RF 70-300mm F4-5.6两款镜头。
据悉,佳能RF 70-400mm F4.5-5.6 L IS USM无反镜头和另一只非 "L" 佳能RF 70-300mm f/4-5.6镜头都将会在2020年上半年发布。
佳能RF 70-400mm F4.5-5.6 L IS USM镜头专利详情:
- 焦距:72.62mm 168.49mm 389.89mm
- 光圈:4.07 5.10 5.85
- 半画角:16.59° 7.32° 3.18°
- 像高:21.64mm 21.64mm 21.64mm
- 镜头全长:187.91mm 236.14mm 268.26mm
- 后焦距:13.80mm 27.53mm 35.04mm
佳能RF 70-300mm F4-5.6镜头专利详情:
- 焦距:72.00mm 146.00mm 290.00mm
- 光圈:4.08 4.88 5.67
- 半画角:16.72° 8.43° 4.27°
- 像高:21.64mm 21.64mm 21.64mm
- 镜头全长:140.00mm 177.20mm 210.00mm
- 后焦距:25.13mm 44.86mm 61.65mm