초록 ▼

An imaging apparatus includes an objective lens system for forming an image of an object, a solid-state image pickup device, a signal processor and a display device. The objective lens system includes at least one revolutionally asymmetrical refractive surface for deforming the image formed by the o

An imaging apparatus includes an objective lens system for forming an image of an object, a solid-state image pickup device, a signal processor and a display device. The objective lens system includes at least one revolutionally asymmetrical refractive surface for deforming the image formed by the objective lens system and is configured so as to deform further the image which is deformed by the signal processor.

대표청구항 ▼

An imaging apparatus comprising: an objective lens system for forming an image of an object, a solid-state image pickup device for receiving the image formed by said objective lens system, a signal processing means for generating video signals from signals output from said solid-state image pickup d

An imaging apparatus comprising: an objective lens system for forming an image of an object, a solid-state image pickup device for receiving the image formed by said objective lens system, a signal processing means for generating video signals from signals output from said solid-state image pickup device and a display means for displaying an image of the object by using said video signals; wherein said objective lens system comprises at least one revolutionally asymmetrical refracting surface expressed by the formula (5) shown below for projecting a deformed image of said object onto said solid-state image pickup device and wherein said signal processing means further deforms signals of the deformed image provided from said solid-state image pickup device for displaying an image of the object on said display means, [Figure] (5) E2iy2z2+E3iz4+F1iy6+F2iy4z2+F3iy2z4+F4iz6+G1iy8+ G2iy6z2+G3iy4z4+G4iy2z6+G5iz8+... wherein the reference symbol i represents an ordinal number of a surface, the reference symbol x, y and z designate values on x, y and z axes respectively on an coordinates system on which a direction of an optical axis is taken as the x axis and a vertex of the refractive surface is taken as an origin, the reference symbol Ri denotes a radius of curvature of a reference sphere of the refractive surface, the reference symbols Byi, Bzi, . . . represent aspherical surface coefficients, and the reference symbols E1i, E2i, . . . designate aspherical surface coefficients.