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。 b'vIX<
g 佳能EF 20mm F1.4镜头专利详情: s{42_O?,c 焦距:20.50mm V?-2FK] 光圈:1.44 +6n\5+5 半画角:46.54 n]>L"D, 像高:21.64mm (
efxw 镜头全长:134.70mm k ,ezB+ 后焦距:36.81mm m\_v{1g
[attachment=94924] p<y\^a 佳能EF 12-24mm F4.3-5.6镜头专利详情: Qtt3;5m 焦距:12.40–18.00–23.64mm n;QFy5HB8 光圈:4.35–4.96–5.60 =GiN~$d 半画角:60.18–50.25–42.47 L[U?{ 像高:21.64mm j%':M 镜头全长:142.18–132.82–131.14mm O(:/&`) 后焦距:36.14–44.23–52.29mm
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