佳能RF 28-280mm F2.8镜头专利曝光
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发布于 2019-12-08
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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。感动不??

微信图片_20191208162955.jpg

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


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