佳能公布RF14-28mm F2、RF10-24mm F4镜头专利
近日,佳能公布RF 14-28mm F2、RF 10-24mm F4镜头专利,专利编号分别为US20190324229、JP2019-184733。目前,在标准变焦镜头方面,佳能RF卡口已拥有RF 28-70mm F2 L USM、RF 24-70mm F2.8 L IS USM以及RF 24-105mm F4 L IS USM三款镜头。此外,目前佳能已经完成RF卡口F2.8系列大三元构建。可以基本断定,佳能将会逐步完成构建RF卡口F2超级大三元以及F4小三元组合。 ]6{*^4kX 佳能RF 14-28mm F2镜头专利详情: &3$z4df
焦距:14.42mm 19.78mm 27.16mm m<w"T7 光圈:2.06 2.06 2.06 g*F '[Z." 半画角:56.32° 47.56° 38.54° sp
]zbX? 像高:21.64mm 21.64mm 21.64mm h~(D@/tB 镜头全长:164.32mm 150.29mm 146.47mm 8Y_ol#\L 后焦距:16.13mm 16.13mm 16.13mm ,uPJ_oZs
[attachment=96429] '/$d0`3B> 佳能RF 10-24mm F4专利详情: :OkT? (i 焦距:10.30mm 14.94mm 23.30mm a?6ab+7# 光圈:4.12 4.12 4.12 hBFP1u/E' 半画角:64.54° 55.38° 42.88° ]b= P= 像高:21.64mm 21.64mm 21.64mm w1Ec_y { 镜头全长:156.50mm 145.83mm 144.37mm *JaqTI,e 后焦距:12.00mm 12.00mm 12.00mm y8 KX<2s1
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