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。 |?2fq&2 佳能EF 20mm F1.4镜头专利详情: usD@4!PoA 焦距:20.50mm u"*DI=pwb 光圈:1.44 3U+FXK#6 半画角:46.54 fM4B.45j 像高:21.64mm %J^x `P 镜头全长:134.70mm CL4N/[UM 后焦距:36.81mm D4[t^G;J
[attachment=94924] @:9Gs!! 佳能EF 12-24mm F4.3-5.6镜头专利详情: qz>R"pj0g 焦距:12.40–18.00–23.64mm ucx02^uA 光圈:4.35–4.96–5.60 Q}L?o 半画角:60.18–50.25–42.47 O.( 2 像高:21.64mm KRC"3Qt
镜头全长:142.18–132.82–131.14mm A!B.+p[G 后焦距:36.14–44.23–52.29mm
|