METHOD FOR FORMING LIGHT-SHIELD COAT ON LENSES

摘要

The invention provides a method for the formation of a light-shielding coating on the peripheral area of an optical lens. The method comprises the steps of mounting the lens on a rotatable lens support capable of rotating the lens about the optical axis thereof with the peripheral area positioned exteriorly of the lens support, applying to the peripheral area of the lens a photo-setting, blackcolored light shielding paint capable of hardening when exposed to ultraviolet rays to form the light-shielding coating on the peripheral area of the lens, and irradiating ultraviolet rays onto the peripheral area of the lens, while the latter is rotated, to cause the light-shielding coating to harden.