Resin composition comprising the fluorene compounds and moldings, as well as the wavelength dispersion adjusting agent and the wavelength dispersion adjustment method of a resin

A non-epoxy resin, with a non-epoxy compound having a 9,9-bisaryl fluorene skeleton represented by the following formula (1), by adding an epoxy compound, without impairing the mechanical properties, a fluorene skeleton the resin composition of the compound can be added with the preparation. [Wherein ring Z is an aromatic hydrocarbon ring,