A computed tomography system, comprising: a rotatable gantry; a cathode mounted with respect to said gantry, the cathode adapted to generate an electron beam; a anode defining an anode surface mounted with respect to said gantry; at least one detector array mounted with respect to said gantry; and adaptive electron optics positioned between the cathode and the anode; wherein said adaptive electron optics are adapted to move an electron beam generated by the cathode along said anode surface of the anode, wherein said adaptive electron optics are adapted to move the electron beam along the anode surface to a plurality of focus positions, and wherein said adaptive electron optics are further adapted to move the electron beam to each of the plurality of focus positions multiple times for each view angle associated with gantry operation to provide a full projection of a patient through an examination region of the computed tomography system for each focus position; wherein data acquisition for a full projection at each focus position and each view angle is achieved by activating each focus position multiple times during the data acquisition at the each view angle associated with gantry operation. a rotatable gantry; a cathode mounted with respect to said gantry, the cathode adapted to generate an electron beam; a anode defining an anode surface mounted with respect to said gantry; at least one detector array mounted with respect to said gantry; and adaptive electron optics positioned between the cathode and the anode; wherein said adaptive electron optics are adapted to move an electron beam generated by the cathode along said anode surface of the anode, a cathode mounted with respect to said gantry, the cathode adapted to generate an electron beam; a anode defining an anode surface mounted with respect to said gantry; at least one detector array mounted with respect to said gantry; and adaptive electron optics positioned between the cathode and the anode; wherein said adaptive electron optics are adapted to move an electron beam generated by the cathode along said anode surface of the anode, wherein said adaptive electron optics are adapted to move the electron beam along the anode surface to a plurality of focus positions, and wherein said adaptive electron optics are further adapted to move the electron beam to each of the plurality of focus positions multiple times for each view angle associated with gantry operation to provide a full projection of a patient through an examination region of the computed tomography system for each focus position; wherein data acquisition for a full projection at each focus position and each view angle is achieved by activating each focus position multiple times during the data acquisition at the each view angle associated with gantry operation. wherein said adaptive electron optics are further adapted to move the electron beam to each of the plurality of focus positions multiple times for each view angle associated with gantry operation to provide a full projection of a patient through an examination region of the computed tomography system for each focus position; wherein data acquisition for a full projection at each focus position and each view angle is achieved by activating each focus position multiple times during the data acquisition at the each view angle associated with gantry operation.