Abstract: According to the present invention, there can be provided a photocurable composition comprising a sulfur (a) having a cyclic structure represented by the following formula (1), an episulfide compound (b), and a photopolymerization initiator (c), wherein the content of the sulfur (a) is 1 to 28 parts by mass, with respect to the total mass (100 parts by mass) of the sulfur (a) and the episulfide compound (b):

Abstract: An optical resin material for chromatic aberration correction is provided including at least 5% by mass of a compound (component A) represented by formula (1) or formula (3), in which R1 to R6 each independently represent a structure represented by formula (2), in which the broken line represents a binding site; n1 represents an integer of 0 to 3; n2 represents an integer of 0 or 1; n3 represents an integer of 0 to 4; R7 represents hydrogen, an acryl group, a methacryl group, a cyanoacryl group, a cyclic ether group, an allyl group, a propargyl group, a hydroxy group, an isocyanate group, chlorine, or an optionally branched alkyl group having 1 to 8 carbon atoms; and X represents an alkylene glycol chain having 2 to 7 carbon atoms or a lactone-modified ketone chain, in which R1 to R6 each independently represent a structure represented by formula (2).

Abstract: Provided is an optical resin material for chromatic aberration correction, comp including at least 5 mass % of a compound (component A) represented by general formula (1) or general formula (3). (In the formula, R1 to R6 each independently represent a structure represented by general formula (2).) (In the formula, the broken line represents a binding site, n1 represents an integer of 0-3, n2 represents an integer of 0 or 1, n3 represents an integer of 0-4, R7 represents hydrogen, an acryl group, a methacryl group, a cyanoacryl group, a cyclic ether group, an allyl group, a propargyl group, a hydroxy group, an isocyanate group, chlorine, or an optionally branched alkyl group having 1-8 carbon atoms, and X represents a lactone-modified ketone chain or an alkylene glycol chain having 2-7 carbon atoms.) (In the formula, R1 to R6 each independently represent a structure represented by general formula (2).