E

Telescopes and Telescope Parts and Accessories-Namely, Tubes, End Rings, Camera Adapters, Finder Telescopes and Tripod Brackets; Visual Effects Projectors and Parts Therefor; Optical Parts, Specifically Prisms, Mirrors, Lenses, Beam Splitters, Reticles, Filters, Diffraction Gratings, Iris Diaphragms, Wedges, Optical Fibers, and Polarizers; Hydrophones, Rain Gauges, Magnets, Weather Balloons, Microscope Accessory Sets-Namely, Kits Comprising Slides, Stains and a Book, and Illuminators for Optical Comparators