A lens system includes sequentially from an object side: a first lens group having a positive refractive power; an aperture diaphragm; a second lens group having a positive refractive power; and a third lens group having a positive refractive power and moving along a direction of an optical axis when focusing from an object at infinity to a close object. Assuming that L is a distance from a lens surface of the first lens group closest to the object side to a lens surface closest to an image side on the optical axis, Y is a maximum image height, f1 is a focal length of the first lens group, and f is a focal length of the entire lens system, the lens system satisfies the following conditions: 1.0<2.3, and 1<3.


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    Titel :

    LENS SYSTEM, PHOTOGRAPHING APPARATUS, AND MOVABLE OBJECT


    Beteiligte:
    INUKAI HAJIME (Autor:in) / OHATA ATSUSHI (Autor:in) / MATSUNAGA SHIGEHIKO (Autor:in) / NAKATSUJI TATSUYA (Autor:in)

    Erscheinungsdatum :

    16.06.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien



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