佳能公布EF 20mm F1.4、EF 12-24mm F4.3-5.6鏡頭專利近日,佳能在日本公布EF 20mm F1.4、EF 12-24mm F4.3-5.6鏡頭專利,專利編號為2019-128526。據(jù)了解,該專利涉及的兩款鏡頭均適用于佳能全畫幅單反相機。 佳能EF 20mm F1.4鏡頭專利詳情: 焦距:20.50mm 光圈:1.44 半畫角:46.54 像高:21.64mm 鏡頭全長:134.70mm 后焦距:36.81mm ![]() 佳能EF 12-24mm F4.3-5.6鏡頭專利詳情: 焦距:12.40–18.00–23.64mm 光圈:4.35–4.96–5.60 半畫角:60.18–50.25–42.47 像高:21.64mm 鏡頭全長:142.18–132.82–131.14mm 后焦距:36.14–44.23–52.29mm |