lensing systems, namely optical lenses, optical mirrors and prisms, motors, gear drives, electric computer chips and computer software, sold as a unit, for creating three dimensional images for use in motion pictures, television and video cassette, video discs, compact discs and laser discs; and parts therefor; al pertaining to general interest topics, education, medical topics, sports and entertainment

leasing lensing systems, namely optical lenses, optical mirrors and prisms, motors, gear drives, electric computer chips and computer software, leased as a unit, for creating three dimensional images for use in motion pictures, television and video cassette, video discs, compact discs and laser discs; and parts leased therefor; all pertaining to general interest topics, education, medical topics, sports and entertainment