An imaging lens comprising: a plurality of lenses, wherein in a near-infrared light wavelength region, by providing a coating on at least a part of the plurality of lenses, light transmittance on a short wavelength side of a near-infrared light peak wavelength region including 1550 nm is reduced from light transmittance at a short wavelength end of the near-infrared light peak wavelength region as a wavelength is decreased, and light transmittance on a long wavelength side of the near-infrared light peak wavelength region is reduced from light transmittance at a long wavelength end of the near-infrared light peak wavelength region as the wavelength is increased, wherein light transmittance in the near-infrared light peak wavelength region is greater than or equal to 60%; wherein in a visible light wavelength region, by providing the coating on at least a part of the plurality of lenses, light transmittance on a short wavelength side of a visible light peak wavelength region including a range of 500 nm to 650 nm is reduced from light transmittance at a short wavelength end of the visible light peak wavelength region as the wavelength is decreased, and light transmittance on a long wavelength side of the visible light peak wavelength region is reduced from light transmittance at a long wavelength end of the visible light peak wavelength region as the wavelength is increased; wherein light transmittance in a wavelength region on a short wavelength side in a blue wavelength region included in the visible light wavelength region is lower than light transmittance in a wavelength region on a long wavelength side in the blue wavelength region; and wherein a first variable of at least one of a size or the number of ripples showing a characteristic of changes in light transmittance in the near-infrared light peak wavelength region is less than a corresponding second variable of a size or the number of ripples showing a characteristic of changes in light transmittance in the visible light peak wavelength region. a plurality of lenses, wherein in a near-infrared light wavelength region, by providing a coating on at least a part of the plurality of lenses, light transmittance on a short wavelength side of a near-infrared light peak wavelength region including 1550 nm is reduced from light transmittance at a short wavelength end of the near-infrared light peak wavelength region as a wavelength is decreased, and light transmittance on a long wavelength side of the near-infrared light peak wavelength region is reduced from light transmittance at a long wavelength end of the near-infrared light peak wavelength region as the wavelength is increased, wherein light transmittance in the near-infrared light peak wavelength region is greater than or equal to 60%; wherein in a visible light wavelength region, by providing the coating on at least a part of the plurality of lenses, light transmittance on a short wavelength side of a visible light peak wavelength region including a range of 500 nm to 650 nm is reduced from light transmittance at a short wavelength end of the visible light peak wavelength region as the wavelength is decreased, and light transmittance on a long wavelength side of the visible light peak wavelength region is reduced from light transmittance at a long wavelength end of the visible light peak wavelength region as the wavelength is increased; wherein light transmittance in a wavelength region on a short wavelength side in a blue wavelength region included in the visible light wavelength region is lower than light transmittance in a wavelength region on a long wavelength side in the blue wavelength region; and wherein a first variable of at least one of a size or the number of ripples showing a characteristic of changes in light transmittance in the near-infrared light peak wavelength region is less than a corresponding second variable of a size or the number of ripples showing a characteristic of changes in light transmittance in the visible light peak wavelength region.