柯林斯詞典chromatic aberration 1. N a defect in a lens system in which different wavelengths of light are focused at different distances because they are refracted through different angles. It produces a blurred image with coloured fringes 色差 返回 chromatic aberration劍橋詞典a failure of colours to be seen correctly through a lens (= a curved piece of glass ), caused by the lens not being perfect 色差 返回 chromatic aberration