| abstract |
An optical material excellent in transparency, heat resistance, dimensional stability, mechanical strength, and light resistance is provided. An optical material for light having a wavelength of 360 to 430 nm containing a fluorine-containing acrylic resin, the fluorine-containing acrylic resin having a specific repeating unit, a fluorine content of 20% or more, and a glass transition An optical material having a temperature of 50 ° C. or higher. [Selection figure] None |