KSON

microscopes; binoculars; rifle scopes telescopic; spotting scopes; periscopes; telescopes; tripods for telescopes; optical devices, namely, eye pieces for helmet mounted displays; protective eye pieces; optical lenses; prisms for optics purposes; optical filters; scientific and technical apparatus, namely, optical mirrors; planetariums; level measuring machines for surveying; range finders for cameras; electronic spectrophotometer for use in identifying and measuring colors; interferometers; refractometers; colorimeters