Patent ID: 11930256
Assignee: FUJIFILM CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 18:
19. The imaging device according to claim 1,
wherein, in a case where n represents an integer of 2 or more, i represents a parameter which changes in a range of 1 to n, Ωi represents an i-th pupil region in the imaging optical system, λij represents a representative wavelength of light transmitted the i-th pupil region Ωi, mi represents the number of representative wavelengths in the i-th pupil region Ωi, j represents a parameter which changes in a range of 1 to m, λij represents a j-th representative wavelength in the i-th pupil region Ωi, f(λ) represents a paraxial focal length of the imaging optical system at a wavelength λ, g(x,y;λ) represents an on-axis longitudinal aberration of the wavelength λ in a pupil coordinate (x,y) of the pupil region in the imaging optical system, and SΩi represents an area of the i-th pupil region Ωi, the imaging optical system has a combination of i1, i2, j1, and j2 satisfying the following [expression 1] and [expression 2] (where, a≥b),, ❘
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