就鏡頭開發(fā)而言，佳能已經(jīng)全力以赴，因為專利局已經(jīng)出現(xiàn)了大量的光學鏡頭設計專利信息。

這些是最新的EF鏡頭設計方案，它們可能是Cinema電影鏡頭。

日本專利申請2019-066585

佳能EF 16mm f / 1.4

    焦距16.40mm 16.36mm 16.21mm
    F值1.45 1.45 1.45
    半場角52.84°52.84°52.84°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長98.97mm 98.65mm 97.42mm
    BF 38.50mm 38.83mm 40.05mm

佳能EF 20mm f / 1.4

    焦距20.50mm 20.45mm 20.26mm
    F值1.45 1.45 1.45
    半場角46.54°46.54°46.54°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長100.04 99.55 97.71
    BF 38.32mm 38.81mm 40.64mm

佳能EF 14mm f / 1.8

    焦距14.40mm 14.38mm14.29mm
    F編號1.83 1.83 1.83
    半場角56.35°56.35°56.35°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長88.57mm 88.32mm 87.42mm
    BF 38.79mm 39.04mm 39.94mm

佳能16mm f / 1.8

    焦距16.04mm 16.00mm 15.86mm
    F值1.83 1.83 1.83
    半場角53.45°53.45°53.45°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長94.99 94.67 93.46
    BF 38.80mm 39.13mm 40.33mm

佳能EF 17mm f / 1.8

    焦距17.16mm 17.14mm 17.06mm
    F值1.83 1.83 1.83
    半場角51.58°51.58°51.58°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長90.00mm 89.66mm 88.39mm
    BF 40.51mm 40.86mm 42.12mm

佳能18mm f / 1.8

    焦距18.81mm 18.75mm 18.52mm
    F值1.83 1.83 1.83
    半場角48.99°48.99°48.99°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長93.37mm 93.37mm 93.37mm
    高爐39.52mm 39.52mm 39.52mm

日本專利申請2019-066586

佳能EF 18mm f / 1.4

    焦距18.52mm 18.46mm 18.25mm
    F值1.31 1.31 1.31
    半場角49.44°49.53°49.85°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長106.98mm 106.51mm 104.95mm
    高爐38.97mm 39.44mm 41.00mm

佳能EF 20mm f / 1.4

    焦距20.50mm 20.45mm 20.26mm
    F值 1.45 1.45 1.45
    半場角46.54°46.54°46.54°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長100.04mm 99.55mm 97.71mm
    BF 38.32mm 38.81mm 40.65mm

佳能EF 14mm f / 1.8

    焦距14.69mm 14.68mm 14.64mm
    F值1.85 1.85 1.85
    半場角55.82°55.85°55.91°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長104.15mm 103.78mm 102.95mm
    BF 38.33mm 38.70mm 39.53mm

佳能EF 22mm f / 1.2

    焦距22.6mm 22.60mm 22.20mm
    F值1.24 1.24 1.25
    半場角43.63°43.75°44.27°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長107.46mm，106.9mm，104.5mm
    BF 38.32mm 38.88mm 41.28mm

佳能EF 24mm f / 1.2

    焦距24.10mm 24.03mm 23.69mm
    F值1.24 1.24 1.24
    半場角41.92°42.00°42.40°
    圖像高度21.64mm 21.64mm 21.64mm
    鏡頭全長108.28mm 107.72mm 104.96mm
    BF 38.33mm 38.89mm 41.65mm

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