佳能公布EF 20mm F1.4、EF 12-24mm F4.3-5.6镜头专利
近日,佳能在日本公布EF 20mm F1.4、EF 12-24mm F4.3-5.6镜头专利,专利编号为2019-128526。据了解,该专利涉及的两款镜头均适用于佳能全画幅单反相机。 /({oN1X>i 佳能EF 20mm F1.4镜头专利详情: J
%A= 焦距:20.50mm 6QT&{|q= 光圈:1.44 6XZjZ*)W 半画角:46.54 aN*{nW 像高:21.64mm (2Lmu[ 镜头全长:134.70mm O wu?ND 后焦距:36.81mm u tkdL4G}'
[attachment=94924] sxRKWM@4 佳能EF 12-24mm F4.3-5.6镜头专利详情: T*#M'H7LSQ 焦距:12.40–18.00–23.64mm %vZHHBylu 光圈:4.35–4.96–5.60 d(V4;8a0 半画角:60.18–50.25–42.47 QP50.P5g 像高:21.64mm T_UJ?W 镜头全长:142.18–132.82–131.14mm (j@c946z"" 后焦距:36.14–44.23–52.29mm
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