Optical filter

An optical filter comprising:

• a transparent substrate;
• an absorption layer on the transparent substrate and comprising at least one dye having a maximum absorption wavelength in a wavelength range of 750 or longer and shorter than 800 nm such that the absorption layer has a thickness in a range of 0.3 to 20 μm;
• a first reflectance adjustment film formed on the absorption layer and comprising a dielectric multilayer film configured to block light in a near ultraviolet range such that the first reflectance adjustment film has a thickness of 1.3 μm or smaller;
• and
• a second reflectance adjustment film formed on a main surface on an opposite side with respect to a surface on which the first reflectance adjustment film is formed, and comprising dielectric multilayer film such that the second reflectance adjustment film has a thickness of 1.3 μm or smaller,
• wherein a laminate of the transparent substrate and the absorption layer has a maximum internal transmittance of 35% or lower in a wavelength range of 700 to 850 nm, and a difference of 10% or smaller between the maximum internal transmittance and a minimum internal transmittance in the wavelength range of 700 to 850 nm, and the optical filter has an average transmittance of 82% or higher in the wavelength range of 500 to 600 nm.