Protective eyepieces; Microscopes; Optical lenses; Optical apparatus and instruments, namely, optical transmitters and optical receivers; Apparatus and instruments for use in the field of astronomy, namely, zenith telescopes, prisms, body tubes for telescopes, prisms for telescopes; Refractors being telescopes; Binoculars; Telescopes; Sighting telescopes for firearms; telescopic sights for artillery; baby monitors; Cameras; Stands for photographic apparatus; tripods for cameras; Accessories for telescopes, namely, filters for use with telescopic eye pieces; Solderers' helmets; Respirators, other than for artificial respiration; Mounting device for use with mobile phones used for picture-taking; Binoculars; Directional compasses; Educational apparatus, namely, a transparent tank used as a teaching aid for the chemical process of making alternative fuels; Electronic apparatus, namely, motion detectors; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Fish-eye conversion lenses for cameras; Laboratory equipment, namely, spectroscopes; Lenses for astrophotography; Magnifying glasses; Micrometers; Microscopes; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Optical glasses; Optical inspection apparatus; Optical lamps; Optical lanterns; Optical lenses; Periscopes; Prisms for optics purposes; Radiation-measuring instruments; Range finders; Scientific and technical apparatus, namely, optical mirrors; Sighting telescopes for firearms; Slide boxes; Spectacles; Spectrograph apparatus; Stereoscopes; Telemeters; Telescopes