A coating liquid including a fluorine-containing organic magnesium compound represented by the following chemical formula (1), a method for manufacturing an optical component having an optical film obtained from the coating liquid, and a photographic optical system are disclosed: Mg(OR11)(OR22)  Chemical formula (1) where R11 represents an alkyl group that may have a substituent group having 1 or more and 6 or less carbon atoms having at least a fluorine atom, R22 represents an alkyl group that may have a substituent group having 1 or more and 6 or less carbon atoms that may have a fluorine atom, or an aromatic cyclic group that may have a substituent group, and R11 is different from R22.