Apertometers; Binoculars; Computer mice; Microscopes; Periscopes; Photometers; Prisms; Refractometers; Respirators other than for artificial respiration; Spectrograph apparatus; Sun glasses; Zenith telescopes; Containers for contact lenses; Digital camera accessory in the nature of a digital photo viewer; Electronic key fobs being remote control apparatus; Lenses for astrophotography; Magnifying glasses; Microscope objectives; Optical apparatus and instruments, namely, optical ports for under...