Optical elements, namely, optical filters, optical lenses, light diffusers, beamsplitters in the nature of light reflectors, scientific and technical apparatus in the nature of optical mirrors, and prisms; Enclosures, housings, and mounts specially adapted for the aforementioned types of optical elements; Filter kits comprised primarily of samples of optical filters and also including cleaning kits for optical elements

Optical elements, namely, optical filters, optical lenses, light diffusers, beamsplitters in the nature of light reflectors, scientific and technical apparatus in the nature of optical mirrors, and prisms; Enclosures, housings, and mounts specially adapted for the aforementioned types of optical elements; Filter kits comprised primarily of samples of optical filters and also including cleaning kits for optical elements