An infrared camera lens comprising a thermoplastic resin composition, wherein the thermoplastic resin composition comprises: a thermoplastic resin; and a coloring material, wherein: the refractive index at a wavelength of 894 nm is 1.60 or higher, measured as indicated in the specification; and when the thickness of said thermoplastic resin composition is 1 mm, the maximum transmittance at wavelengths of 380-630 nm is more than 0% and less or equal to 1.00%, and the average transmittance at wavelengths of 840-940 nm is 80% or more, wherein the transmittance is measured as indicated in the specification, wherein the thermoplastic resin comprises, as a monomer, a diol compound selected from the group consisting of compounds represented by General formulae, and below: in General formula, R 1 -R 4 each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a C1-C6 alkyl group, or a C6-C20 aryl group, a C2-C6 alkenyl group, a C1-C6 alkoxy group or a C7-C17 aralkyl group which may contain a heterocyclic atom selected from an oxygen atom, a nitrogen atom and a sulfur atom, p, q, r and s each independently represent an integer of 0-4, and R is wherein i represents an integer of 0-10, ii represents an integer of 1-10, and iii represents an integer of 1-10; in General formula, R 6 and R 7 are synonymous with R 1 -R 4, n and m represent an integer of 0-5, Y represents a C1-C5 alkylene group, and n1 and n2 each independently represent an integer of 0-10; and in General formula, R 8 and R 9 are synonymous with R 1 -R 4, a and b represent an integer of 0-4, Y represents a C1-C5 alkylene group, and n1 and n2 each independently represent an integer of 0-10. the thermoplastic resin composition comprises: a thermoplastic resin; and a coloring material, a thermoplastic resin; and a coloring material, wherein: the refractive index at a wavelength of 894 nm is 1.60 or higher, measured as indicated in the specification; and when the thickness of said thermoplastic resin composition is 1 mm, the maximum transmittance at wavelengths of 380-630 nm is more than 0% and less or equal to 1.00%, and the average transmittance at wavelengths of 840-940 nm is 80% or more, wherein the transmittance is measured as indicated in the specification, wherein the thermoplastic resin comprises, as a monomer, a diol compound selected from the group consisting of compounds represented by General formulae, and below: in General formula, R 1 -R 4 each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a C1-C6 alkyl group, or a C6-C20 aryl group, a C2-C6 alkenyl group, a C1-C6 alkoxy group or a C7-C17 aralkyl group which may contain a heterocyclic atom selected from an oxygen atom, a nitrogen atom and a sulfur atom, p, q, r and s each independently represent an integer of 0-4, and R is wherein i represents an integer of 0-10, ii represents an integer of 1-10, and iii represents an integer of 1-10; in General formula, R 6 and R 7 are synonymous with R 1 -R 4, n and m represent an integer of 0-5, Y represents a C1-C5 alkylene group, and n1 and n2 each independently represent an integer of 0-10; and in General formula, R 8 and R 9 are synonymous with R 1 -R 4, a and b represent an integer of 0-4, Y represents a C1-C5 alkylene group, and n1 and n2 each independently represent an integer of 0-10. the refractive index at a wavelength of 894 nm is 1.60 or higher, measured as indicated in the specification; and when the thickness of said thermoplastic resin composition is 1 mm, the maximum transmittance at wavelengths of 380-630 nm is more than 0% and less or equal to 1.00%, and the average transmittance at wavelengths of 840-940 nm is 80% or more, wherein the transmittance is measured as indicated in the specification, wherein the thermoplastic resin comprises, as a monomer, a diol compound selected from the group consisting of compounds represented by General formulae, and below: in General formula, R 1 -R 4 each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a C1-C6 alkyl group, or a C6-C20 aryl group, a C2-C6 alkenyl group, a C1-C6 alkoxy group or a C7-C17 aralkyl group which may contain a heterocyclic atom selected from an oxygen atom, a nitrogen atom and a sulfur atom, p, q, r and s each independently represent an integer of 0-4, and R is wherein i represents an integer of 0-10, ii represents an integer of 1-10, and iii represents an integer of 1-10; in General formula, R 6 and R 7 are synonymous with R 1 -R 4, n and m represent an integer of 0-5, Y represents a C1-C5 alkylene group, and n1 and n2 each independently represent an integer of 0-10; and in General formula, R 8 and R 9 are synonymous with R 1 -R 4, a and b represent an integer of 0-4, Y represents a C1-C5 alkylene group, and n1 and n2 each independently represent an integer of 0-10.