abstract |
Disclosed is a polycarbonate copolymer having high moldability, high refractive index, and low birefringence. A molar ratio between (A) the following formula (1) and (B) a structural unit represented by the following formula (2) is (A) :( B) = 99: 1 to 60:40. Polycarbonate copolymer. [Selection figure] None |